1f2038fb01417bcf7698b87a5dfaa4a861539618aerik.corry@gmail.com// Copyright 2012 the V8 project authors. All rights reserved. 23484964a86451e86dcf04be9bd8c0d76ee04f081rossberg@chromium.org// Use of this source code is governed by a BSD-style license that can be 33484964a86451e86dcf04be9bd8c0d76ee04f081rossberg@chromium.org// found in the LICENSE file. 443d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen 55ec4892aef9cca42940d7d92302abf674365f6b7ager@chromium.org#ifndef V8_ARM_MACRO_ASSEMBLER_ARM_H_ 65ec4892aef9cca42940d7d92302abf674365f6b7ager@chromium.org#define V8_ARM_MACRO_ASSEMBLER_ARM_H_ 743d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen 8196eb601290dc49c3754da728dc58700dff2de1bmachenbach@chromium.org#include "src/assembler.h" 9196eb601290dc49c3754da728dc58700dff2de1bmachenbach@chromium.org#include "src/frames.h" 10196eb601290dc49c3754da728dc58700dff2de1bmachenbach@chromium.org#include "src/globals.h" 1143d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen 1271affb54842da76b24f0bb3184e9f0960523f89dkasperl@chromium.orgnamespace v8 { 1371affb54842da76b24f0bb3184e9f0960523f89dkasperl@chromium.orgnamespace internal { 1443d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen 155c838251403b0be9a882540f1922577abba4c872ager@chromium.org// ---------------------------------------------------------------------------- 165c838251403b0be9a882540f1922577abba4c872ager@chromium.org// Static helper functions 175c838251403b0be9a882540f1922577abba4c872ager@chromium.org 185c838251403b0be9a882540f1922577abba4c872ager@chromium.org// Generate a MemOperand for loading a field from an object. 191b3afd1cab9087ca3c4e585d3da77d374d65c082mstarzinger@chromium.orginline MemOperand FieldMemOperand(Register object, int offset) { 205c838251403b0be9a882540f1922577abba4c872ager@chromium.org return MemOperand(object, offset - kHeapObjectTag); 215c838251403b0be9a882540f1922577abba4c872ager@chromium.org} 225c838251403b0be9a882540f1922577abba4c872ager@chromium.org 2343d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen 2443d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen// Give alias names to registers 25cc536058448cdb26fedf76ce62f2ce91480f2ae3yangguo@chromium.orgconst Register cp = { kRegister_r7_Code }; // JavaScript context pointer. 26cc536058448cdb26fedf76ce62f2ce91480f2ae3yangguo@chromium.orgconst Register pp = { kRegister_r8_Code }; // Constant pool pointer. 273d079fe881245e49c7ba803b54b4fe6d4b46113cmachenbach@chromium.orgconst Register kRootRegister = { kRegister_r10_Code }; // Roots array pointer. 2843d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen 29c859c4f83f6ec3e010213dbbe447cc1f927d01c5svenpanne@chromium.org// Flags used for AllocateHeapNumber 30c859c4f83f6ec3e010213dbbe447cc1f927d01c5svenpanne@chromium.orgenum TaggingMode { 31c859c4f83f6ec3e010213dbbe447cc1f927d01c5svenpanne@chromium.org // Tag the result. 32c859c4f83f6ec3e010213dbbe447cc1f927d01c5svenpanne@chromium.org TAG_RESULT, 33c859c4f83f6ec3e010213dbbe447cc1f927d01c5svenpanne@chromium.org // Don't tag 34c859c4f83f6ec3e010213dbbe447cc1f927d01c5svenpanne@chromium.org DONT_TAG_RESULT 35c859c4f83f6ec3e010213dbbe447cc1f927d01c5svenpanne@chromium.org}; 36720dc0bc17114e33b9b2177fcb6726bda9cabd62sgjesse@chromium.org 3732d961d4454609ab4251a760fc46b19f661da90clrn@chromium.org 38c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.comenum RememberedSetAction { EMIT_REMEMBERED_SET, OMIT_REMEMBERED_SET }; 39c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.comenum SmiCheck { INLINE_SMI_CHECK, OMIT_SMI_CHECK }; 40196eb601290dc49c3754da728dc58700dff2de1bmachenbach@chromium.orgenum PointersToHereCheck { 41196eb601290dc49c3754da728dc58700dff2de1bmachenbach@chromium.org kPointersToHereMaybeInteresting, 42196eb601290dc49c3754da728dc58700dff2de1bmachenbach@chromium.org kPointersToHereAreAlwaysInteresting 43196eb601290dc49c3754da728dc58700dff2de1bmachenbach@chromium.org}; 44c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.comenum LinkRegisterStatus { kLRHasNotBeenSaved, kLRHasBeenSaved }; 45c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com 46c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com 471e8da746019f818a22dfdc6f691dbc0447048cadjkummerow@chromium.orgRegister GetRegisterThatIsNotOneOf(Register reg1, 481e8da746019f818a22dfdc6f691dbc0447048cadjkummerow@chromium.org Register reg2 = no_reg, 491e8da746019f818a22dfdc6f691dbc0447048cadjkummerow@chromium.org Register reg3 = no_reg, 501e8da746019f818a22dfdc6f691dbc0447048cadjkummerow@chromium.org Register reg4 = no_reg, 511e8da746019f818a22dfdc6f691dbc0447048cadjkummerow@chromium.org Register reg5 = no_reg, 521e8da746019f818a22dfdc6f691dbc0447048cadjkummerow@chromium.org Register reg6 = no_reg); 531e8da746019f818a22dfdc6f691dbc0447048cadjkummerow@chromium.org 541e8da746019f818a22dfdc6f691dbc0447048cadjkummerow@chromium.org 55efdb9d70bddd496ceb6a281dadcc065efbce37a1yangguo@chromium.org#ifdef DEBUG 56efdb9d70bddd496ceb6a281dadcc065efbce37a1yangguo@chromium.orgbool AreAliased(Register reg1, 57efdb9d70bddd496ceb6a281dadcc065efbce37a1yangguo@chromium.org Register reg2, 58efdb9d70bddd496ceb6a281dadcc065efbce37a1yangguo@chromium.org Register reg3 = no_reg, 59efdb9d70bddd496ceb6a281dadcc065efbce37a1yangguo@chromium.org Register reg4 = no_reg, 60efdb9d70bddd496ceb6a281dadcc065efbce37a1yangguo@chromium.org Register reg5 = no_reg, 61efdb9d70bddd496ceb6a281dadcc065efbce37a1yangguo@chromium.org Register reg6 = no_reg); 62efdb9d70bddd496ceb6a281dadcc065efbce37a1yangguo@chromium.org#endif 63c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com 64c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com 6589e18f5599cb4cd462cb1ed324addd7388fb4d60rossberg@chromium.orgenum TargetAddressStorageMode { 6689e18f5599cb4cd462cb1ed324addd7388fb4d60rossberg@chromium.org CAN_INLINE_TARGET_ADDRESS, 6789e18f5599cb4cd462cb1ed324addd7388fb4d60rossberg@chromium.org NEVER_INLINE_TARGET_ADDRESS 6889e18f5599cb4cd462cb1ed324addd7388fb4d60rossberg@chromium.org}; 6989e18f5599cb4cd462cb1ed324addd7388fb4d60rossberg@chromium.org 7043d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen// MacroAssembler implements a collection of frequently used macros. 7143d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansenclass MacroAssembler: public Assembler { 7243d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen public: 73c36ce6e8979bbbd43539f0a0effc87ea20dd65cckmillikin@chromium.org // The isolate parameter can be NULL if the macro assembler should 74c36ce6e8979bbbd43539f0a0effc87ea20dd65cckmillikin@chromium.org // not use isolate-dependent functionality. In this case, it's the 75c36ce6e8979bbbd43539f0a0effc87ea20dd65cckmillikin@chromium.org // responsibility of the caller to never invoke such function on the 76c36ce6e8979bbbd43539f0a0effc87ea20dd65cckmillikin@chromium.org // macro assembler. 77c36ce6e8979bbbd43539f0a0effc87ea20dd65cckmillikin@chromium.org MacroAssembler(Isolate* isolate, void* buffer, int size); 7843d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen 795c838251403b0be9a882540f1922577abba4c872ager@chromium.org // Jump, Call, and Ret pseudo instructions implementing inter-working. 8043d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen void Jump(Register target, Condition cond = al); 814f693d6b99ffdbc05e5e211e08ed5039e13279d2ricow@chromium.org void Jump(Address target, RelocInfo::Mode rmode, Condition cond = al); 82236ad9617a7359a463144a6ebeb5431a70f769cfager@chromium.org void Jump(Handle<Code> code, RelocInfo::Mode rmode, Condition cond = al); 837c2628c3f0353f0558760c3ca442f934263ea766kmillikin@chromium.org static int CallSize(Register target, Condition cond = al); 8443d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen void Call(Register target, Condition cond = al); 85471f2f1d24adb4bad1edc3bf0ee35092486de187mstarzinger@chromium.org int CallSize(Address target, RelocInfo::Mode rmode, Condition cond = al); 869e41f9ecf5042292a9efcb36e264b37621199553machenbach@chromium.org int CallStubSize(CodeStub* stub, 879e41f9ecf5042292a9efcb36e264b37621199553machenbach@chromium.org TypeFeedbackId ast_id = TypeFeedbackId::None(), 889e41f9ecf5042292a9efcb36e264b37621199553machenbach@chromium.org Condition cond = al); 89a86d416fb652b1936026eee315eccd4f17ca1002machenbach@chromium.org static int CallSizeNotPredictableCodeSize(Isolate* isolate, 90a86d416fb652b1936026eee315eccd4f17ca1002machenbach@chromium.org Address target, 91471f2f1d24adb4bad1edc3bf0ee35092486de187mstarzinger@chromium.org RelocInfo::Mode rmode, 92471f2f1d24adb4bad1edc3bf0ee35092486de187mstarzinger@chromium.org Condition cond = al); 9389e18f5599cb4cd462cb1ed324addd7388fb4d60rossberg@chromium.org void Call(Address target, RelocInfo::Mode rmode, 9489e18f5599cb4cd462cb1ed324addd7388fb4d60rossberg@chromium.org Condition cond = al, 9589e18f5599cb4cd462cb1ed324addd7388fb4d60rossberg@chromium.org TargetAddressStorageMode mode = CAN_INLINE_TARGET_ADDRESS); 96471f2f1d24adb4bad1edc3bf0ee35092486de187mstarzinger@chromium.org int CallSize(Handle<Code> code, 97471f2f1d24adb4bad1edc3bf0ee35092486de187mstarzinger@chromium.org RelocInfo::Mode rmode = RelocInfo::CODE_TARGET, 98471f2f1d24adb4bad1edc3bf0ee35092486de187mstarzinger@chromium.org TypeFeedbackId ast_id = TypeFeedbackId::None(), 99471f2f1d24adb4bad1edc3bf0ee35092486de187mstarzinger@chromium.org Condition cond = al); 1008e8294a88dc7d58f579aee0ba08c19fc8a616e2dsgjesse@chromium.org void Call(Handle<Code> code, 1014f693d6b99ffdbc05e5e211e08ed5039e13279d2ricow@chromium.org RelocInfo::Mode rmode = RelocInfo::CODE_TARGET, 102471f2f1d24adb4bad1edc3bf0ee35092486de187mstarzinger@chromium.org TypeFeedbackId ast_id = TypeFeedbackId::None(), 10389e18f5599cb4cd462cb1ed324addd7388fb4d60rossberg@chromium.org Condition cond = al, 10489e18f5599cb4cd462cb1ed324addd7388fb4d60rossberg@chromium.org TargetAddressStorageMode mode = CAN_INLINE_TARGET_ADDRESS); 10565dad4b091d2925543c6326db635d0f7cf9e1edcager@chromium.org void Ret(Condition cond = al); 1060c20e676f8a0209982ff89e5a9c707771748a585fschneider@chromium.org 1070c20e676f8a0209982ff89e5a9c707771748a585fschneider@chromium.org // Emit code to discard a non-negative number of pointer-sized elements 1080c20e676f8a0209982ff89e5a9c707771748a585fschneider@chromium.org // from the stack, clobbering only the sp register. 1090c20e676f8a0209982ff89e5a9c707771748a585fschneider@chromium.org void Drop(int count, Condition cond = al); 1100c20e676f8a0209982ff89e5a9c707771748a585fschneider@chromium.org 111023421e6892b2ba6dcd2bbee117e0bfb24545cf7whesse@chromium.org void Ret(int drop, Condition cond = al); 112357bf65ed5309ac3a2c4bf20b6ce7770488787c2ager@chromium.org 113357bf65ed5309ac3a2c4bf20b6ce7770488787c2ager@chromium.org // Swap two registers. If the scratch register is omitted then a slightly 114357bf65ed5309ac3a2c4bf20b6ce7770488787c2ager@chromium.org // less efficient form using xor instead of mov is emitted. 11530ce411529579186181838984710b0b0980857aaricow@chromium.org void Swap(Register reg1, 11630ce411529579186181838984710b0b0980857aaricow@chromium.org Register reg2, 11730ce411529579186181838984710b0b0980857aaricow@chromium.org Register scratch = no_reg, 11830ce411529579186181838984710b0b0980857aaricow@chromium.org Condition cond = al); 119357bf65ed5309ac3a2c4bf20b6ce7770488787c2ager@chromium.org 12070d11c79c7833b9ab1ee185625fcf707b9480a40machenbach@chromium.org void Mls(Register dst, Register src1, Register src2, Register srcA, 12170d11c79c7833b9ab1ee185625fcf707b9480a40machenbach@chromium.org Condition cond = al); 1222c186ca6690a1cb19ec7584e71f167234587c87cwhesse@chromium.org void And(Register dst, Register src1, const Operand& src2, 1232c186ca6690a1cb19ec7584e71f167234587c87cwhesse@chromium.org Condition cond = al); 1242c186ca6690a1cb19ec7584e71f167234587c87cwhesse@chromium.org void Ubfx(Register dst, Register src, int lsb, int width, 1252c186ca6690a1cb19ec7584e71f167234587c87cwhesse@chromium.org Condition cond = al); 1262c186ca6690a1cb19ec7584e71f167234587c87cwhesse@chromium.org void Sbfx(Register dst, Register src, int lsb, int width, 1272c186ca6690a1cb19ec7584e71f167234587c87cwhesse@chromium.org Condition cond = al); 1289ee27ae43ab88e9bb6417ff9e27af64e0cf13729ager@chromium.org // The scratch register is not used for ARMv7. 1299ee27ae43ab88e9bb6417ff9e27af64e0cf13729ager@chromium.org // scratch can be the same register as src (in which case it is trashed), but 1309ee27ae43ab88e9bb6417ff9e27af64e0cf13729ager@chromium.org // not the same as dst. 1319ee27ae43ab88e9bb6417ff9e27af64e0cf13729ager@chromium.org void Bfi(Register dst, 1329ee27ae43ab88e9bb6417ff9e27af64e0cf13729ager@chromium.org Register src, 1339ee27ae43ab88e9bb6417ff9e27af64e0cf13729ager@chromium.org Register scratch, 1349ee27ae43ab88e9bb6417ff9e27af64e0cf13729ager@chromium.org int lsb, 1359ee27ae43ab88e9bb6417ff9e27af64e0cf13729ager@chromium.org int width, 1369ee27ae43ab88e9bb6417ff9e27af64e0cf13729ager@chromium.org Condition cond = al); 13733e09c8efd078308de3c77a88301566f65c07befverwaest@chromium.org void Bfc(Register dst, Register src, int lsb, int width, Condition cond = al); 138ed78ffdee6ea4f4f94420b464e7377b610fdac2ffschneider@chromium.org void Usat(Register dst, int satpos, const Operand& src, 139ed78ffdee6ea4f4f94420b464e7377b610fdac2ffschneider@chromium.org Condition cond = al); 1402c186ca6690a1cb19ec7584e71f167234587c87cwhesse@chromium.org 14113bd294acf56c7f824d92d4941a2aeb3cec58e0ckmillikin@chromium.org void Call(Label* target); 142594006017e46d82ed7146611dc12c20e3c509c7ddanno@chromium.org void Push(Register src) { push(src); } 143594006017e46d82ed7146611dc12c20e3c509c7ddanno@chromium.org void Pop(Register dst) { pop(dst); } 1448e8294a88dc7d58f579aee0ba08c19fc8a616e2dsgjesse@chromium.org 1458e8294a88dc7d58f579aee0ba08c19fc8a616e2dsgjesse@chromium.org // Register move. May do nothing if the registers are identical. 14613bd294acf56c7f824d92d4941a2aeb3cec58e0ckmillikin@chromium.org void Move(Register dst, Handle<Object> value); 1473cf47318da216c319ecf1f7a59de23455f117197vegorov@chromium.org void Move(Register dst, Register src, Condition cond = al); 148a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org void Move(DwVfpRegister dst, DwVfpRegister src); 1498e8294a88dc7d58f579aee0ba08c19fc8a616e2dsgjesse@chromium.org 150935a7790c70d49e252069bc2d34eaa72f8c6677fmachenbach@chromium.org void Load(Register dst, const MemOperand& src, Representation r); 151935a7790c70d49e252069bc2d34eaa72f8c6677fmachenbach@chromium.org void Store(Register src, const MemOperand& dst, Representation r); 152935a7790c70d49e252069bc2d34eaa72f8c6677fmachenbach@chromium.org 153ab99eea3d9d0cc20698ebb39bf0fb80e3e66bffcager@chromium.org // Load an object from the root table. 154ab99eea3d9d0cc20698ebb39bf0fb80e3e66bffcager@chromium.org void LoadRoot(Register destination, 155ab99eea3d9d0cc20698ebb39bf0fb80e3e66bffcager@chromium.org Heap::RootListIndex index, 156ab99eea3d9d0cc20698ebb39bf0fb80e3e66bffcager@chromium.org Condition cond = al); 157720dc0bc17114e33b9b2177fcb6726bda9cabd62sgjesse@chromium.org // Store an object to the root table. 158720dc0bc17114e33b9b2177fcb6726bda9cabd62sgjesse@chromium.org void StoreRoot(Register source, 159720dc0bc17114e33b9b2177fcb6726bda9cabd62sgjesse@chromium.org Heap::RootListIndex index, 160720dc0bc17114e33b9b2177fcb6726bda9cabd62sgjesse@chromium.org Condition cond = al); 16141044eb0969b0d7d5c041a077519a36efa6aff27kasperl@chromium.org 162c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com // --------------------------------------------------------------------------- 163c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com // GC Support 164c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com 165c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com void IncrementalMarkingRecordWriteHelper(Register object, 166c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com Register value, 167c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com Register address); 168c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com 169c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com enum RememberedSetFinalAction { 170c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com kReturnAtEnd, 171c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com kFallThroughAtEnd 172c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com }; 173c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com 174c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com // Record in the remembered set the fact that we have a pointer to new space 175c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com // at the address pointed to by the addr register. Only works if addr is not 176c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com // in new space. 177c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com void RememberedSetHelper(Register object, // Used for debug code. 178c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com Register addr, 179c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com Register scratch, 180c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com SaveFPRegsMode save_fp, 181c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com RememberedSetFinalAction and_then); 182c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com 183c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com void CheckPageFlag(Register object, 184c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com Register scratch, 185c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com int mask, 186c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com Condition cc, 187c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com Label* condition_met); 188c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com 189f005df6c3232e65028420519fbab7284bc9b33aedanno@chromium.org void CheckMapDeprecated(Handle<Map> map, 190f005df6c3232e65028420519fbab7284bc9b33aedanno@chromium.org Register scratch, 191f005df6c3232e65028420519fbab7284bc9b33aedanno@chromium.org Label* if_deprecated); 192f005df6c3232e65028420519fbab7284bc9b33aedanno@chromium.org 193c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com // Check if object is in new space. Jumps if the object is not in new space. 194c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com // The register scratch can be object itself, but scratch will be clobbered. 195c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com void JumpIfNotInNewSpace(Register object, 196c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com Register scratch, 197c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com Label* branch) { 198c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com InNewSpace(object, scratch, ne, branch); 199c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com } 200ac091b7d178f1853ede4a5cba58e767e6adf7d96ager@chromium.org 201c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com // Check if object is in new space. Jumps if the object is in new space. 202c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com // The register scratch can be object itself, but it will be clobbered. 203c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com void JumpIfInNewSpace(Register object, 204c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com Register scratch, 205c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com Label* branch) { 206c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com InNewSpace(object, scratch, eq, branch); 207c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com } 208ac091b7d178f1853ede4a5cba58e767e6adf7d96ager@chromium.org 209c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com // Check if an object has a given incremental marking color. 210c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com void HasColor(Register object, 211c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com Register scratch0, 212c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com Register scratch1, 213c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com Label* has_color, 214c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com int first_bit, 215c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com int second_bit); 21669ea3965ef6e0d3f020a402cf7e6b96b9cb651aekmillikin@chromium.org 217c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com void JumpIfBlack(Register object, 2185ad5acef6bd4ebc785f946d8bcc2a88b1e031827ricow@chromium.org Register scratch0, 219c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com Register scratch1, 220c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com Label* on_black); 221c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com 222c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com // Checks the color of an object. If the object is already grey or black 223c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com // then we just fall through, since it is already live. If it is white and 224c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com // we can determine that it doesn't need to be scanned, then we just mark it 225c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com // black and fall through. For the rest we jump to the label so the 226c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com // incremental marker can fix its assumptions. 227c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com void EnsureNotWhite(Register object, 228c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com Register scratch1, 229c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com Register scratch2, 230c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com Register scratch3, 231c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com Label* object_is_white_and_not_data); 23243d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen 2332efb900e7350b14be905abdeab077f3a64c583cfulan@chromium.org // Detects conservatively whether an object is data-only, i.e. it does need to 234c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com // be scanned by the garbage collector. 235c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com void JumpIfDataObject(Register value, 236c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com Register scratch, 237c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com Label* not_data_object); 238c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com 239c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com // Notify the garbage collector that we wrote a pointer into an object. 240c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com // |object| is the object being stored into, |value| is the object being 241c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com // stored. value and scratch registers are clobbered by the operation. 242c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com // The offset is the offset from the start of the object, not the offset from 243c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com // the tagged HeapObject pointer. For use with FieldOperand(reg, off). 244c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com void RecordWriteField( 245c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com Register object, 246c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com int offset, 247c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com Register value, 248c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com Register scratch, 249c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com LinkRegisterStatus lr_status, 250c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com SaveFPRegsMode save_fp, 251c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com RememberedSetAction remembered_set_action = EMIT_REMEMBERED_SET, 252196eb601290dc49c3754da728dc58700dff2de1bmachenbach@chromium.org SmiCheck smi_check = INLINE_SMI_CHECK, 253196eb601290dc49c3754da728dc58700dff2de1bmachenbach@chromium.org PointersToHereCheck pointers_to_here_check_for_value = 254196eb601290dc49c3754da728dc58700dff2de1bmachenbach@chromium.org kPointersToHereMaybeInteresting); 255c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com 256c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com // As above, but the offset has the tag presubtracted. For use with 257c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com // MemOperand(reg, off). 258c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com inline void RecordWriteContextSlot( 259c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com Register context, 260c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com int offset, 261c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com Register value, 262c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com Register scratch, 263c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com LinkRegisterStatus lr_status, 264c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com SaveFPRegsMode save_fp, 265c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com RememberedSetAction remembered_set_action = EMIT_REMEMBERED_SET, 266196eb601290dc49c3754da728dc58700dff2de1bmachenbach@chromium.org SmiCheck smi_check = INLINE_SMI_CHECK, 267196eb601290dc49c3754da728dc58700dff2de1bmachenbach@chromium.org PointersToHereCheck pointers_to_here_check_for_value = 268196eb601290dc49c3754da728dc58700dff2de1bmachenbach@chromium.org kPointersToHereMaybeInteresting) { 269c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com RecordWriteField(context, 270c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com offset + kHeapObjectTag, 271c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com value, 272c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com scratch, 273c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com lr_status, 274c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com save_fp, 275c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com remembered_set_action, 276196eb601290dc49c3754da728dc58700dff2de1bmachenbach@chromium.org smi_check, 277196eb601290dc49c3754da728dc58700dff2de1bmachenbach@chromium.org pointers_to_here_check_for_value); 278c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com } 279c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com 280196eb601290dc49c3754da728dc58700dff2de1bmachenbach@chromium.org void RecordWriteForMap( 281196eb601290dc49c3754da728dc58700dff2de1bmachenbach@chromium.org Register object, 282196eb601290dc49c3754da728dc58700dff2de1bmachenbach@chromium.org Register map, 283196eb601290dc49c3754da728dc58700dff2de1bmachenbach@chromium.org Register dst, 284196eb601290dc49c3754da728dc58700dff2de1bmachenbach@chromium.org LinkRegisterStatus lr_status, 285196eb601290dc49c3754da728dc58700dff2de1bmachenbach@chromium.org SaveFPRegsMode save_fp); 286196eb601290dc49c3754da728dc58700dff2de1bmachenbach@chromium.org 287c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com // For a given |object| notify the garbage collector that the slot |address| 288c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com // has been written. |value| is the object being stored. The value and 289c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com // address registers are clobbered by the operation. 290c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com void RecordWrite( 291c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com Register object, 292c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com Register address, 293c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com Register value, 294c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com LinkRegisterStatus lr_status, 295c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com SaveFPRegsMode save_fp, 296c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com RememberedSetAction remembered_set_action = EMIT_REMEMBERED_SET, 297196eb601290dc49c3754da728dc58700dff2de1bmachenbach@chromium.org SmiCheck smi_check = INLINE_SMI_CHECK, 298196eb601290dc49c3754da728dc58700dff2de1bmachenbach@chromium.org PointersToHereCheck pointers_to_here_check_for_value = 299196eb601290dc49c3754da728dc58700dff2de1bmachenbach@chromium.org kPointersToHereMaybeInteresting); 30069ea3965ef6e0d3f020a402cf7e6b96b9cb651aekmillikin@chromium.org 3016d786c9805481bd13ecb29c3155540f2f32950e1svenpanne@chromium.org // Push a handle. 3026d786c9805481bd13ecb29c3155540f2f32950e1svenpanne@chromium.org void Push(Handle<Object> handle); 30309d7ab5aba54ebac170eac755664c45eefb0be7dulan@chromium.org void Push(Smi* smi) { Push(Handle<Smi>(smi, isolate())); } 3046d786c9805481bd13ecb29c3155540f2f32950e1svenpanne@chromium.org 305c34f5802a37a9fa2ce8f3929d1d5159ddcf04ff3lrn@chromium.org // Push two registers. Pushes leftmost register first (to highest address). 306c34f5802a37a9fa2ce8f3929d1d5159ddcf04ff3lrn@chromium.org void Push(Register src1, Register src2, Condition cond = al) { 307c34f5802a37a9fa2ce8f3929d1d5159ddcf04ff3lrn@chromium.org ASSERT(!src1.is(src2)); 308c34f5802a37a9fa2ce8f3929d1d5159ddcf04ff3lrn@chromium.org if (src1.code() > src2.code()) { 309c34f5802a37a9fa2ce8f3929d1d5159ddcf04ff3lrn@chromium.org stm(db_w, sp, src1.bit() | src2.bit(), cond); 310c34f5802a37a9fa2ce8f3929d1d5159ddcf04ff3lrn@chromium.org } else { 311c34f5802a37a9fa2ce8f3929d1d5159ddcf04ff3lrn@chromium.org str(src1, MemOperand(sp, 4, NegPreIndex), cond); 312c34f5802a37a9fa2ce8f3929d1d5159ddcf04ff3lrn@chromium.org str(src2, MemOperand(sp, 4, NegPreIndex), cond); 313c34f5802a37a9fa2ce8f3929d1d5159ddcf04ff3lrn@chromium.org } 314c34f5802a37a9fa2ce8f3929d1d5159ddcf04ff3lrn@chromium.org } 315c34f5802a37a9fa2ce8f3929d1d5159ddcf04ff3lrn@chromium.org 316c34f5802a37a9fa2ce8f3929d1d5159ddcf04ff3lrn@chromium.org // Push three registers. Pushes leftmost register first (to highest address). 317c34f5802a37a9fa2ce8f3929d1d5159ddcf04ff3lrn@chromium.org void Push(Register src1, Register src2, Register src3, Condition cond = al) { 318c34f5802a37a9fa2ce8f3929d1d5159ddcf04ff3lrn@chromium.org ASSERT(!src1.is(src2)); 319c34f5802a37a9fa2ce8f3929d1d5159ddcf04ff3lrn@chromium.org ASSERT(!src2.is(src3)); 320c34f5802a37a9fa2ce8f3929d1d5159ddcf04ff3lrn@chromium.org ASSERT(!src1.is(src3)); 321c34f5802a37a9fa2ce8f3929d1d5159ddcf04ff3lrn@chromium.org if (src1.code() > src2.code()) { 322c34f5802a37a9fa2ce8f3929d1d5159ddcf04ff3lrn@chromium.org if (src2.code() > src3.code()) { 323c34f5802a37a9fa2ce8f3929d1d5159ddcf04ff3lrn@chromium.org stm(db_w, sp, src1.bit() | src2.bit() | src3.bit(), cond); 324c34f5802a37a9fa2ce8f3929d1d5159ddcf04ff3lrn@chromium.org } else { 325c34f5802a37a9fa2ce8f3929d1d5159ddcf04ff3lrn@chromium.org stm(db_w, sp, src1.bit() | src2.bit(), cond); 326c34f5802a37a9fa2ce8f3929d1d5159ddcf04ff3lrn@chromium.org str(src3, MemOperand(sp, 4, NegPreIndex), cond); 327c34f5802a37a9fa2ce8f3929d1d5159ddcf04ff3lrn@chromium.org } 328c34f5802a37a9fa2ce8f3929d1d5159ddcf04ff3lrn@chromium.org } else { 329c34f5802a37a9fa2ce8f3929d1d5159ddcf04ff3lrn@chromium.org str(src1, MemOperand(sp, 4, NegPreIndex), cond); 330c34f5802a37a9fa2ce8f3929d1d5159ddcf04ff3lrn@chromium.org Push(src2, src3, cond); 331c34f5802a37a9fa2ce8f3929d1d5159ddcf04ff3lrn@chromium.org } 332c34f5802a37a9fa2ce8f3929d1d5159ddcf04ff3lrn@chromium.org } 333c34f5802a37a9fa2ce8f3929d1d5159ddcf04ff3lrn@chromium.org 334c34f5802a37a9fa2ce8f3929d1d5159ddcf04ff3lrn@chromium.org // Push four registers. Pushes leftmost register first (to highest address). 335394dbcf9009cf5203b6d85e8b515fcff072040f3erik.corry@gmail.com void Push(Register src1, 336394dbcf9009cf5203b6d85e8b515fcff072040f3erik.corry@gmail.com Register src2, 337394dbcf9009cf5203b6d85e8b515fcff072040f3erik.corry@gmail.com Register src3, 338394dbcf9009cf5203b6d85e8b515fcff072040f3erik.corry@gmail.com Register src4, 339394dbcf9009cf5203b6d85e8b515fcff072040f3erik.corry@gmail.com Condition cond = al) { 340c34f5802a37a9fa2ce8f3929d1d5159ddcf04ff3lrn@chromium.org ASSERT(!src1.is(src2)); 341c34f5802a37a9fa2ce8f3929d1d5159ddcf04ff3lrn@chromium.org ASSERT(!src2.is(src3)); 342c34f5802a37a9fa2ce8f3929d1d5159ddcf04ff3lrn@chromium.org ASSERT(!src1.is(src3)); 343c34f5802a37a9fa2ce8f3929d1d5159ddcf04ff3lrn@chromium.org ASSERT(!src1.is(src4)); 344c34f5802a37a9fa2ce8f3929d1d5159ddcf04ff3lrn@chromium.org ASSERT(!src2.is(src4)); 345c34f5802a37a9fa2ce8f3929d1d5159ddcf04ff3lrn@chromium.org ASSERT(!src3.is(src4)); 346c34f5802a37a9fa2ce8f3929d1d5159ddcf04ff3lrn@chromium.org if (src1.code() > src2.code()) { 347c34f5802a37a9fa2ce8f3929d1d5159ddcf04ff3lrn@chromium.org if (src2.code() > src3.code()) { 348c34f5802a37a9fa2ce8f3929d1d5159ddcf04ff3lrn@chromium.org if (src3.code() > src4.code()) { 349c34f5802a37a9fa2ce8f3929d1d5159ddcf04ff3lrn@chromium.org stm(db_w, 350c34f5802a37a9fa2ce8f3929d1d5159ddcf04ff3lrn@chromium.org sp, 351c34f5802a37a9fa2ce8f3929d1d5159ddcf04ff3lrn@chromium.org src1.bit() | src2.bit() | src3.bit() | src4.bit(), 352c34f5802a37a9fa2ce8f3929d1d5159ddcf04ff3lrn@chromium.org cond); 353c34f5802a37a9fa2ce8f3929d1d5159ddcf04ff3lrn@chromium.org } else { 354c34f5802a37a9fa2ce8f3929d1d5159ddcf04ff3lrn@chromium.org stm(db_w, sp, src1.bit() | src2.bit() | src3.bit(), cond); 355c34f5802a37a9fa2ce8f3929d1d5159ddcf04ff3lrn@chromium.org str(src4, MemOperand(sp, 4, NegPreIndex), cond); 356c34f5802a37a9fa2ce8f3929d1d5159ddcf04ff3lrn@chromium.org } 357c34f5802a37a9fa2ce8f3929d1d5159ddcf04ff3lrn@chromium.org } else { 358c34f5802a37a9fa2ce8f3929d1d5159ddcf04ff3lrn@chromium.org stm(db_w, sp, src1.bit() | src2.bit(), cond); 359c34f5802a37a9fa2ce8f3929d1d5159ddcf04ff3lrn@chromium.org Push(src3, src4, cond); 360c34f5802a37a9fa2ce8f3929d1d5159ddcf04ff3lrn@chromium.org } 361c34f5802a37a9fa2ce8f3929d1d5159ddcf04ff3lrn@chromium.org } else { 362c34f5802a37a9fa2ce8f3929d1d5159ddcf04ff3lrn@chromium.org str(src1, MemOperand(sp, 4, NegPreIndex), cond); 363c34f5802a37a9fa2ce8f3929d1d5159ddcf04ff3lrn@chromium.org Push(src2, src3, src4, cond); 364c34f5802a37a9fa2ce8f3929d1d5159ddcf04ff3lrn@chromium.org } 365c34f5802a37a9fa2ce8f3929d1d5159ddcf04ff3lrn@chromium.org } 366c34f5802a37a9fa2ce8f3929d1d5159ddcf04ff3lrn@chromium.org 3679ee27ae43ab88e9bb6417ff9e27af64e0cf13729ager@chromium.org // Pop two registers. Pops rightmost register first (from lower address). 3689ee27ae43ab88e9bb6417ff9e27af64e0cf13729ager@chromium.org void Pop(Register src1, Register src2, Condition cond = al) { 3699ee27ae43ab88e9bb6417ff9e27af64e0cf13729ager@chromium.org ASSERT(!src1.is(src2)); 3709ee27ae43ab88e9bb6417ff9e27af64e0cf13729ager@chromium.org if (src1.code() > src2.code()) { 3719ee27ae43ab88e9bb6417ff9e27af64e0cf13729ager@chromium.org ldm(ia_w, sp, src1.bit() | src2.bit(), cond); 3729ee27ae43ab88e9bb6417ff9e27af64e0cf13729ager@chromium.org } else { 3739ee27ae43ab88e9bb6417ff9e27af64e0cf13729ager@chromium.org ldr(src2, MemOperand(sp, 4, PostIndex), cond); 3749ee27ae43ab88e9bb6417ff9e27af64e0cf13729ager@chromium.org ldr(src1, MemOperand(sp, 4, PostIndex), cond); 3759ee27ae43ab88e9bb6417ff9e27af64e0cf13729ager@chromium.org } 3769ee27ae43ab88e9bb6417ff9e27af64e0cf13729ager@chromium.org } 3779ee27ae43ab88e9bb6417ff9e27af64e0cf13729ager@chromium.org 378394dbcf9009cf5203b6d85e8b515fcff072040f3erik.corry@gmail.com // Pop three registers. Pops rightmost register first (from lower address). 379394dbcf9009cf5203b6d85e8b515fcff072040f3erik.corry@gmail.com void Pop(Register src1, Register src2, Register src3, Condition cond = al) { 380394dbcf9009cf5203b6d85e8b515fcff072040f3erik.corry@gmail.com ASSERT(!src1.is(src2)); 381394dbcf9009cf5203b6d85e8b515fcff072040f3erik.corry@gmail.com ASSERT(!src2.is(src3)); 382394dbcf9009cf5203b6d85e8b515fcff072040f3erik.corry@gmail.com ASSERT(!src1.is(src3)); 383394dbcf9009cf5203b6d85e8b515fcff072040f3erik.corry@gmail.com if (src1.code() > src2.code()) { 384394dbcf9009cf5203b6d85e8b515fcff072040f3erik.corry@gmail.com if (src2.code() > src3.code()) { 385394dbcf9009cf5203b6d85e8b515fcff072040f3erik.corry@gmail.com ldm(ia_w, sp, src1.bit() | src2.bit() | src3.bit(), cond); 386394dbcf9009cf5203b6d85e8b515fcff072040f3erik.corry@gmail.com } else { 387394dbcf9009cf5203b6d85e8b515fcff072040f3erik.corry@gmail.com ldr(src3, MemOperand(sp, 4, PostIndex), cond); 388394dbcf9009cf5203b6d85e8b515fcff072040f3erik.corry@gmail.com ldm(ia_w, sp, src1.bit() | src2.bit(), cond); 389394dbcf9009cf5203b6d85e8b515fcff072040f3erik.corry@gmail.com } 390394dbcf9009cf5203b6d85e8b515fcff072040f3erik.corry@gmail.com } else { 391394dbcf9009cf5203b6d85e8b515fcff072040f3erik.corry@gmail.com Pop(src2, src3, cond); 392e31286d471eb2e656a1809383fa16b76053dd673machenbach@chromium.org ldr(src1, MemOperand(sp, 4, PostIndex), cond); 393394dbcf9009cf5203b6d85e8b515fcff072040f3erik.corry@gmail.com } 394394dbcf9009cf5203b6d85e8b515fcff072040f3erik.corry@gmail.com } 395394dbcf9009cf5203b6d85e8b515fcff072040f3erik.corry@gmail.com 396394dbcf9009cf5203b6d85e8b515fcff072040f3erik.corry@gmail.com // Pop four registers. Pops rightmost register first (from lower address). 397394dbcf9009cf5203b6d85e8b515fcff072040f3erik.corry@gmail.com void Pop(Register src1, 398394dbcf9009cf5203b6d85e8b515fcff072040f3erik.corry@gmail.com Register src2, 399394dbcf9009cf5203b6d85e8b515fcff072040f3erik.corry@gmail.com Register src3, 400394dbcf9009cf5203b6d85e8b515fcff072040f3erik.corry@gmail.com Register src4, 401394dbcf9009cf5203b6d85e8b515fcff072040f3erik.corry@gmail.com Condition cond = al) { 402394dbcf9009cf5203b6d85e8b515fcff072040f3erik.corry@gmail.com ASSERT(!src1.is(src2)); 403394dbcf9009cf5203b6d85e8b515fcff072040f3erik.corry@gmail.com ASSERT(!src2.is(src3)); 404394dbcf9009cf5203b6d85e8b515fcff072040f3erik.corry@gmail.com ASSERT(!src1.is(src3)); 405394dbcf9009cf5203b6d85e8b515fcff072040f3erik.corry@gmail.com ASSERT(!src1.is(src4)); 406394dbcf9009cf5203b6d85e8b515fcff072040f3erik.corry@gmail.com ASSERT(!src2.is(src4)); 407394dbcf9009cf5203b6d85e8b515fcff072040f3erik.corry@gmail.com ASSERT(!src3.is(src4)); 408394dbcf9009cf5203b6d85e8b515fcff072040f3erik.corry@gmail.com if (src1.code() > src2.code()) { 409394dbcf9009cf5203b6d85e8b515fcff072040f3erik.corry@gmail.com if (src2.code() > src3.code()) { 410394dbcf9009cf5203b6d85e8b515fcff072040f3erik.corry@gmail.com if (src3.code() > src4.code()) { 411394dbcf9009cf5203b6d85e8b515fcff072040f3erik.corry@gmail.com ldm(ia_w, 412394dbcf9009cf5203b6d85e8b515fcff072040f3erik.corry@gmail.com sp, 413394dbcf9009cf5203b6d85e8b515fcff072040f3erik.corry@gmail.com src1.bit() | src2.bit() | src3.bit() | src4.bit(), 414394dbcf9009cf5203b6d85e8b515fcff072040f3erik.corry@gmail.com cond); 415394dbcf9009cf5203b6d85e8b515fcff072040f3erik.corry@gmail.com } else { 416394dbcf9009cf5203b6d85e8b515fcff072040f3erik.corry@gmail.com ldr(src4, MemOperand(sp, 4, PostIndex), cond); 417394dbcf9009cf5203b6d85e8b515fcff072040f3erik.corry@gmail.com ldm(ia_w, sp, src1.bit() | src2.bit() | src3.bit(), cond); 418394dbcf9009cf5203b6d85e8b515fcff072040f3erik.corry@gmail.com } 419394dbcf9009cf5203b6d85e8b515fcff072040f3erik.corry@gmail.com } else { 420394dbcf9009cf5203b6d85e8b515fcff072040f3erik.corry@gmail.com Pop(src3, src4, cond); 421394dbcf9009cf5203b6d85e8b515fcff072040f3erik.corry@gmail.com ldm(ia_w, sp, src1.bit() | src2.bit(), cond); 422394dbcf9009cf5203b6d85e8b515fcff072040f3erik.corry@gmail.com } 423394dbcf9009cf5203b6d85e8b515fcff072040f3erik.corry@gmail.com } else { 424394dbcf9009cf5203b6d85e8b515fcff072040f3erik.corry@gmail.com Pop(src2, src3, src4, cond); 425394dbcf9009cf5203b6d85e8b515fcff072040f3erik.corry@gmail.com ldr(src1, MemOperand(sp, 4, PostIndex), cond); 426394dbcf9009cf5203b6d85e8b515fcff072040f3erik.corry@gmail.com } 427394dbcf9009cf5203b6d85e8b515fcff072040f3erik.corry@gmail.com } 428394dbcf9009cf5203b6d85e8b515fcff072040f3erik.corry@gmail.com 4299ca3017c616a778baff6d57c68d6d4746a130036ulan@chromium.org // Push a fixed frame, consisting of lr, fp, constant pool (if 4309ca3017c616a778baff6d57c68d6d4746a130036ulan@chromium.org // FLAG_enable_ool_constant_pool), context and JS function / marker id if 4319ca3017c616a778baff6d57c68d6d4746a130036ulan@chromium.org // marker_reg is a valid register. 4329ca3017c616a778baff6d57c68d6d4746a130036ulan@chromium.org void PushFixedFrame(Register marker_reg = no_reg); 4339ca3017c616a778baff6d57c68d6d4746a130036ulan@chromium.org void PopFixedFrame(Register marker_reg = no_reg); 4349ca3017c616a778baff6d57c68d6d4746a130036ulan@chromium.org 435a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org // Push and pop the registers that can hold pointers, as defined by the 436a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org // RegList constant kSafepointSavedRegisters. 437a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org void PushSafepointRegisters(); 438a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org void PopSafepointRegisters(); 439c6c5718277d4047fad1e034396228ce15571b5a4sgjesse@chromium.org void PushSafepointRegistersAndDoubles(); 440c6c5718277d4047fad1e034396228ce15571b5a4sgjesse@chromium.org void PopSafepointRegistersAndDoubles(); 4413a5fd78f0ca6c2827bb05f69a373d152a9ce6ff3fschneider@chromium.org // Store value in register src in the safepoint stack slot for 4423a5fd78f0ca6c2827bb05f69a373d152a9ce6ff3fschneider@chromium.org // register dst. 4433a5fd78f0ca6c2827bb05f69a373d152a9ce6ff3fschneider@chromium.org void StoreToSafepointRegisterSlot(Register src, Register dst); 4443a5fd78f0ca6c2827bb05f69a373d152a9ce6ff3fschneider@chromium.org void StoreToSafepointRegistersAndDoublesSlot(Register src, Register dst); 4453a5fd78f0ca6c2827bb05f69a373d152a9ce6ff3fschneider@chromium.org // Load the value of the src register from its safepoint stack slot 4463a5fd78f0ca6c2827bb05f69a373d152a9ce6ff3fschneider@chromium.org // into register dst. 4473a5fd78f0ca6c2827bb05f69a373d152a9ce6ff3fschneider@chromium.org void LoadFromSafepointRegisterSlot(Register dst, Register src); 448a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org 4499155e252524a2bf92aecd27493feafed86702312kmillikin@chromium.org // Load two consecutive registers with two consecutive memory locations. 4509155e252524a2bf92aecd27493feafed86702312kmillikin@chromium.org void Ldrd(Register dst1, 4519155e252524a2bf92aecd27493feafed86702312kmillikin@chromium.org Register dst2, 4529155e252524a2bf92aecd27493feafed86702312kmillikin@chromium.org const MemOperand& src, 4539155e252524a2bf92aecd27493feafed86702312kmillikin@chromium.org Condition cond = al); 4549155e252524a2bf92aecd27493feafed86702312kmillikin@chromium.org 4559155e252524a2bf92aecd27493feafed86702312kmillikin@chromium.org // Store two consecutive registers to two consecutive memory locations. 4569155e252524a2bf92aecd27493feafed86702312kmillikin@chromium.org void Strd(Register src1, 4579155e252524a2bf92aecd27493feafed86702312kmillikin@chromium.org Register src2, 4589155e252524a2bf92aecd27493feafed86702312kmillikin@chromium.org const MemOperand& dst, 4599155e252524a2bf92aecd27493feafed86702312kmillikin@chromium.org Condition cond = al); 4609155e252524a2bf92aecd27493feafed86702312kmillikin@chromium.org 461e27d617298263725e8a48c2aa14029759b952623mstarzinger@chromium.org // Ensure that FPSCR contains values needed by JavaScript. 462e27d617298263725e8a48c2aa14029759b952623mstarzinger@chromium.org // We need the NaNModeControlBit to be sure that operations like 463e27d617298263725e8a48c2aa14029759b952623mstarzinger@chromium.org // vadd and vsub generate the Canonical NaN (if a NaN must be generated). 464e27d617298263725e8a48c2aa14029759b952623mstarzinger@chromium.org // In VFP3 it will be always the Canonical NaN. 465e27d617298263725e8a48c2aa14029759b952623mstarzinger@chromium.org // In VFP2 it will be either the Canonical NaN or the negative version 466e27d617298263725e8a48c2aa14029759b952623mstarzinger@chromium.org // of the Canonical NaN. It doesn't matter if we have two values. The aim 467e27d617298263725e8a48c2aa14029759b952623mstarzinger@chromium.org // is to be sure to never generate the hole NaN. 468e27d617298263725e8a48c2aa14029759b952623mstarzinger@chromium.org void VFPEnsureFPSCRState(Register scratch); 469e27d617298263725e8a48c2aa14029759b952623mstarzinger@chromium.org 470e27d617298263725e8a48c2aa14029759b952623mstarzinger@chromium.org // If the value is a NaN, canonicalize the value else, do nothing. 471528ce02b8680a3ab6d75c7079f180a4016c69b7amachenbach@chromium.org void VFPCanonicalizeNaN(const DwVfpRegister dst, 472528ce02b8680a3ab6d75c7079f180a4016c69b7amachenbach@chromium.org const DwVfpRegister src, 4732f877ace3ac6432b1ce44abd553cd3ff97321680hpayer@chromium.org const Condition cond = al); 474528ce02b8680a3ab6d75c7079f180a4016c69b7amachenbach@chromium.org void VFPCanonicalizeNaN(const DwVfpRegister value, 475528ce02b8680a3ab6d75c7079f180a4016c69b7amachenbach@chromium.org const Condition cond = al) { 476528ce02b8680a3ab6d75c7079f180a4016c69b7amachenbach@chromium.org VFPCanonicalizeNaN(value, value, cond); 477528ce02b8680a3ab6d75c7079f180a4016c69b7amachenbach@chromium.org } 478e27d617298263725e8a48c2aa14029759b952623mstarzinger@chromium.org 479c6c5718277d4047fad1e034396228ce15571b5a4sgjesse@chromium.org // Compare double values and move the result to the normal condition flags. 480c6c5718277d4047fad1e034396228ce15571b5a4sgjesse@chromium.org void VFPCompareAndSetFlags(const DwVfpRegister src1, 481c6c5718277d4047fad1e034396228ce15571b5a4sgjesse@chromium.org const DwVfpRegister src2, 482c6c5718277d4047fad1e034396228ce15571b5a4sgjesse@chromium.org const Condition cond = al); 483c6c5718277d4047fad1e034396228ce15571b5a4sgjesse@chromium.org void VFPCompareAndSetFlags(const DwVfpRegister src1, 484c6c5718277d4047fad1e034396228ce15571b5a4sgjesse@chromium.org const double src2, 485c6c5718277d4047fad1e034396228ce15571b5a4sgjesse@chromium.org const Condition cond = al); 486c6c5718277d4047fad1e034396228ce15571b5a4sgjesse@chromium.org 487c6c5718277d4047fad1e034396228ce15571b5a4sgjesse@chromium.org // Compare double values and then load the fpscr flags to a register. 488c6c5718277d4047fad1e034396228ce15571b5a4sgjesse@chromium.org void VFPCompareAndLoadFlags(const DwVfpRegister src1, 489c6c5718277d4047fad1e034396228ce15571b5a4sgjesse@chromium.org const DwVfpRegister src2, 490c6c5718277d4047fad1e034396228ce15571b5a4sgjesse@chromium.org const Register fpscr_flags, 491c6c5718277d4047fad1e034396228ce15571b5a4sgjesse@chromium.org const Condition cond = al); 492c6c5718277d4047fad1e034396228ce15571b5a4sgjesse@chromium.org void VFPCompareAndLoadFlags(const DwVfpRegister src1, 493c6c5718277d4047fad1e034396228ce15571b5a4sgjesse@chromium.org const double src2, 494c6c5718277d4047fad1e034396228ce15571b5a4sgjesse@chromium.org const Register fpscr_flags, 495c6c5718277d4047fad1e034396228ce15571b5a4sgjesse@chromium.org const Condition cond = al); 496c6c5718277d4047fad1e034396228ce15571b5a4sgjesse@chromium.org 4973cf47318da216c319ecf1f7a59de23455f117197vegorov@chromium.org void Vmov(const DwVfpRegister dst, 4983cf47318da216c319ecf1f7a59de23455f117197vegorov@chromium.org const double imm, 49971fc3467b5396c27d0b701d88e196e88c78d8864mstarzinger@chromium.org const Register scratch = no_reg); 5003cf47318da216c319ecf1f7a59de23455f117197vegorov@chromium.org 501fb732b17922ea75830be4db6b80534c4827d8a55jkummerow@chromium.org void VmovHigh(Register dst, DwVfpRegister src); 502fb732b17922ea75830be4db6b80534c4827d8a55jkummerow@chromium.org void VmovHigh(DwVfpRegister dst, Register src); 503fb732b17922ea75830be4db6b80534c4827d8a55jkummerow@chromium.org void VmovLow(Register dst, DwVfpRegister src); 504fb732b17922ea75830be4db6b80534c4827d8a55jkummerow@chromium.org void VmovLow(DwVfpRegister dst, Register src); 505fb732b17922ea75830be4db6b80534c4827d8a55jkummerow@chromium.org 50632d7dbafe29be06cec1edd36c31fbe2865c799f4ulan@chromium.org // Loads the number from object into dst register. 50732d7dbafe29be06cec1edd36c31fbe2865c799f4ulan@chromium.org // If |object| is neither smi nor heap number, |not_number| is jumped to 50832d7dbafe29be06cec1edd36c31fbe2865c799f4ulan@chromium.org // with |object| still intact. 50932d7dbafe29be06cec1edd36c31fbe2865c799f4ulan@chromium.org void LoadNumber(Register object, 510fb732b17922ea75830be4db6b80534c4827d8a55jkummerow@chromium.org LowDwVfpRegister dst, 51132d7dbafe29be06cec1edd36c31fbe2865c799f4ulan@chromium.org Register heap_number_map, 51232d7dbafe29be06cec1edd36c31fbe2865c799f4ulan@chromium.org Register scratch, 51332d7dbafe29be06cec1edd36c31fbe2865c799f4ulan@chromium.org Label* not_number); 51432d7dbafe29be06cec1edd36c31fbe2865c799f4ulan@chromium.org 51532d7dbafe29be06cec1edd36c31fbe2865c799f4ulan@chromium.org // Loads the number from object into double_dst in the double format. 51632d7dbafe29be06cec1edd36c31fbe2865c799f4ulan@chromium.org // Control will jump to not_int32 if the value cannot be exactly represented 51732d7dbafe29be06cec1edd36c31fbe2865c799f4ulan@chromium.org // by a 32-bit integer. 51832d7dbafe29be06cec1edd36c31fbe2865c799f4ulan@chromium.org // Floating point value in the 32-bit integer range that are not exact integer 51932d7dbafe29be06cec1edd36c31fbe2865c799f4ulan@chromium.org // won't be loaded. 52032d7dbafe29be06cec1edd36c31fbe2865c799f4ulan@chromium.org void LoadNumberAsInt32Double(Register object, 52132d7dbafe29be06cec1edd36c31fbe2865c799f4ulan@chromium.org DwVfpRegister double_dst, 52232d7dbafe29be06cec1edd36c31fbe2865c799f4ulan@chromium.org Register heap_number_map, 52332d7dbafe29be06cec1edd36c31fbe2865c799f4ulan@chromium.org Register scratch, 524fb732b17922ea75830be4db6b80534c4827d8a55jkummerow@chromium.org LowDwVfpRegister double_scratch, 52532d7dbafe29be06cec1edd36c31fbe2865c799f4ulan@chromium.org Label* not_int32); 52632d7dbafe29be06cec1edd36c31fbe2865c799f4ulan@chromium.org 52732d7dbafe29be06cec1edd36c31fbe2865c799f4ulan@chromium.org // Loads the number from object into dst as a 32-bit integer. 52832d7dbafe29be06cec1edd36c31fbe2865c799f4ulan@chromium.org // Control will jump to not_int32 if the object cannot be exactly represented 52932d7dbafe29be06cec1edd36c31fbe2865c799f4ulan@chromium.org // by a 32-bit integer. 53032d7dbafe29be06cec1edd36c31fbe2865c799f4ulan@chromium.org // Floating point value in the 32-bit integer range that are not exact integer 53132d7dbafe29be06cec1edd36c31fbe2865c799f4ulan@chromium.org // won't be converted. 53232d7dbafe29be06cec1edd36c31fbe2865c799f4ulan@chromium.org void LoadNumberAsInt32(Register object, 53332d7dbafe29be06cec1edd36c31fbe2865c799f4ulan@chromium.org Register dst, 53432d7dbafe29be06cec1edd36c31fbe2865c799f4ulan@chromium.org Register heap_number_map, 53532d7dbafe29be06cec1edd36c31fbe2865c799f4ulan@chromium.org Register scratch, 53632d7dbafe29be06cec1edd36c31fbe2865c799f4ulan@chromium.org DwVfpRegister double_scratch0, 537fb732b17922ea75830be4db6b80534c4827d8a55jkummerow@chromium.org LowDwVfpRegister double_scratch1, 53832d7dbafe29be06cec1edd36c31fbe2865c799f4ulan@chromium.org Label* not_int32); 53932d7dbafe29be06cec1edd36c31fbe2865c799f4ulan@chromium.org 540c9913f099d68d3604e53b19d0fc5abe309143bdcbmeurer@chromium.org // Generates function and stub prologue code. 541285f85a5a149f36516a20200a76899651dd95fb6machenbach@chromium.org void StubPrologue(); 542285f85a5a149f36516a20200a76899651dd95fb6machenbach@chromium.org void Prologue(bool code_pre_aging); 54332d7dbafe29be06cec1edd36c31fbe2865c799f4ulan@chromium.org 544d236f4d96b5dd21acc5ec57f4e50fa97cdd97bb6ricow@chromium.org // Enter exit frame. 54583aa54905e559090bea7771b83f188762cfcf082ricow@chromium.org // stack_space - extra stack space, used for alignment before call to C. 54683aa54905e559090bea7771b83f188762cfcf082ricow@chromium.org void EnterExitFrame(bool save_doubles, int stack_space = 0); 547236ad9617a7359a463144a6ebeb5431a70f769cfager@chromium.org 548236ad9617a7359a463144a6ebeb5431a70f769cfager@chromium.org // Leave the current exit frame. Expects the return value in r0. 54949edbdf52640c88918f8e6638ab4965819eb1dfekmillikin@chromium.org // Expect the number of values, pushed prior to the exit frame, to 55049edbdf52640c88918f8e6638ab4965819eb1dfekmillikin@chromium.org // remove in a register (or no_reg, if there is nothing to remove). 551528ce02b8680a3ab6d75c7079f180a4016c69b7amachenbach@chromium.org void LeaveExitFrame(bool save_doubles, 552528ce02b8680a3ab6d75c7079f180a4016c69b7amachenbach@chromium.org Register argument_count, 553528ce02b8680a3ab6d75c7079f180a4016c69b7amachenbach@chromium.org bool restore_context); 55443d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen 555c9c80823e038328f2e1060d7feef0762a50adf06ricow@chromium.org // Get the actual activation frame alignment for target environment. 556c9c80823e038328f2e1060d7feef0762a50adf06ricow@chromium.org static int ActivationFrameAlignment(); 55743d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen 558ac6aa175ab59d65cfb7a88dbb621e1d7f1a80b8fsgjesse@chromium.org void LoadContext(Register dst, int context_chain_length); 559ac6aa175ab59d65cfb7a88dbb621e1d7f1a80b8fsgjesse@chromium.org 5601145ef852a4e230e1f642eecd8de155f2b26bc53jkummerow@chromium.org // Conditionally load the cached Array transitioned map of type 56146839fbbdee40a3d2d924e8b5b13c4139b0b24f2yangguo@chromium.org // transitioned_kind from the native context if the map in register 56246839fbbdee40a3d2d924e8b5b13c4139b0b24f2yangguo@chromium.org // map_in_out is the cached Array map in the native context of 5631145ef852a4e230e1f642eecd8de155f2b26bc53jkummerow@chromium.org // expected_kind. 5641145ef852a4e230e1f642eecd8de155f2b26bc53jkummerow@chromium.org void LoadTransitionedArrayMapConditional( 5651145ef852a4e230e1f642eecd8de155f2b26bc53jkummerow@chromium.org ElementsKind expected_kind, 5661145ef852a4e230e1f642eecd8de155f2b26bc53jkummerow@chromium.org ElementsKind transitioned_kind, 5671145ef852a4e230e1f642eecd8de155f2b26bc53jkummerow@chromium.org Register map_in_out, 5681145ef852a4e230e1f642eecd8de155f2b26bc53jkummerow@chromium.org Register scratch, 5691145ef852a4e230e1f642eecd8de155f2b26bc53jkummerow@chromium.org Label* no_map_match); 5701145ef852a4e230e1f642eecd8de155f2b26bc53jkummerow@chromium.org 571beb2571dca14508fbbbb47a2f606327d5968ee92ager@chromium.org void LoadGlobalFunction(int index, Register function); 572beb2571dca14508fbbbb47a2f606327d5968ee92ager@chromium.org 573beb2571dca14508fbbbb47a2f606327d5968ee92ager@chromium.org // Load the initial map from the global function. The registers 574beb2571dca14508fbbbb47a2f606327d5968ee92ager@chromium.org // function and map can be the same, function is then overwritten. 575beb2571dca14508fbbbb47a2f606327d5968ee92ager@chromium.org void LoadGlobalFunctionInitialMap(Register function, 576beb2571dca14508fbbbb47a2f606327d5968ee92ager@chromium.org Register map, 577beb2571dca14508fbbbb47a2f606327d5968ee92ager@chromium.org Register scratch); 578beb2571dca14508fbbbb47a2f606327d5968ee92ager@chromium.org 579f2038fb01417bcf7698b87a5dfaa4a861539618aerik.corry@gmail.com void InitializeRootRegister() { 580f2038fb01417bcf7698b87a5dfaa4a861539618aerik.corry@gmail.com ExternalReference roots_array_start = 581f2038fb01417bcf7698b87a5dfaa4a861539618aerik.corry@gmail.com ExternalReference::roots_array_start(isolate()); 582f2038fb01417bcf7698b87a5dfaa4a861539618aerik.corry@gmail.com mov(kRootRegister, Operand(roots_array_start)); 583f2038fb01417bcf7698b87a5dfaa4a861539618aerik.corry@gmail.com } 584f2038fb01417bcf7698b87a5dfaa4a861539618aerik.corry@gmail.com 58543d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen // --------------------------------------------------------------------------- 586769cc962a043dd8d92cc010dd2c50bc26f652c94mads.s.ager@gmail.com // JavaScript invokes 587769cc962a043dd8d92cc010dd2c50bc26f652c94mads.s.ager@gmail.com 588769cc962a043dd8d92cc010dd2c50bc26f652c94mads.s.ager@gmail.com // Invoke the JavaScript function code by either calling or jumping. 589769cc962a043dd8d92cc010dd2c50bc26f652c94mads.s.ager@gmail.com void InvokeCode(Register code, 590769cc962a043dd8d92cc010dd2c50bc26f652c94mads.s.ager@gmail.com const ParameterCount& expected, 591769cc962a043dd8d92cc010dd2c50bc26f652c94mads.s.ager@gmail.com const ParameterCount& actual, 592c6c5718277d4047fad1e034396228ce15571b5a4sgjesse@chromium.org InvokeFlag flag, 593e31286d471eb2e656a1809383fa16b76053dd673machenbach@chromium.org const CallWrapper& call_wrapper); 594769cc962a043dd8d92cc010dd2c50bc26f652c94mads.s.ager@gmail.com 595769cc962a043dd8d92cc010dd2c50bc26f652c94mads.s.ager@gmail.com // Invoke the JavaScript function in the given register. Changes the 596769cc962a043dd8d92cc010dd2c50bc26f652c94mads.s.ager@gmail.com // current context to the context in the function before invoking. 597769cc962a043dd8d92cc010dd2c50bc26f652c94mads.s.ager@gmail.com void InvokeFunction(Register function, 598769cc962a043dd8d92cc010dd2c50bc26f652c94mads.s.ager@gmail.com const ParameterCount& actual, 599c6c5718277d4047fad1e034396228ce15571b5a4sgjesse@chromium.org InvokeFlag flag, 600e31286d471eb2e656a1809383fa16b76053dd673machenbach@chromium.org const CallWrapper& call_wrapper); 601769cc962a043dd8d92cc010dd2c50bc26f652c94mads.s.ager@gmail.com 6028a58f6420f995bb19fff9babb261458d49d90cb1machenbach@chromium.org void InvokeFunction(Register function, 6038a58f6420f995bb19fff9babb261458d49d90cb1machenbach@chromium.org const ParameterCount& expected, 6048a58f6420f995bb19fff9babb261458d49d90cb1machenbach@chromium.org const ParameterCount& actual, 6058a58f6420f995bb19fff9babb261458d49d90cb1machenbach@chromium.org InvokeFlag flag, 606e31286d471eb2e656a1809383fa16b76053dd673machenbach@chromium.org const CallWrapper& call_wrapper); 6078a58f6420f995bb19fff9babb261458d49d90cb1machenbach@chromium.org 608c3b37129d6387b2db313f9100256d2d5f60dd9a8jkummerow@chromium.org void InvokeFunction(Handle<JSFunction> function, 60932d7dbafe29be06cec1edd36c31fbe2865c799f4ulan@chromium.org const ParameterCount& expected, 6105c838251403b0be9a882540f1922577abba4c872ager@chromium.org const ParameterCount& actual, 611d2be901879306d8ff27e78e37783028d581d46fcricow@chromium.org InvokeFlag flag, 612e31286d471eb2e656a1809383fa16b76053dd673machenbach@chromium.org const CallWrapper& call_wrapper); 6135c838251403b0be9a882540f1922577abba4c872ager@chromium.org 614023421e6892b2ba6dcd2bbee117e0bfb24545cf7whesse@chromium.org void IsObjectJSObjectType(Register heap_object, 615023421e6892b2ba6dcd2bbee117e0bfb24545cf7whesse@chromium.org Register map, 616023421e6892b2ba6dcd2bbee117e0bfb24545cf7whesse@chromium.org Register scratch, 617023421e6892b2ba6dcd2bbee117e0bfb24545cf7whesse@chromium.org Label* fail); 618023421e6892b2ba6dcd2bbee117e0bfb24545cf7whesse@chromium.org 619023421e6892b2ba6dcd2bbee117e0bfb24545cf7whesse@chromium.org void IsInstanceJSObjectType(Register map, 620023421e6892b2ba6dcd2bbee117e0bfb24545cf7whesse@chromium.org Register scratch, 621023421e6892b2ba6dcd2bbee117e0bfb24545cf7whesse@chromium.org Label* fail); 622023421e6892b2ba6dcd2bbee117e0bfb24545cf7whesse@chromium.org 623023421e6892b2ba6dcd2bbee117e0bfb24545cf7whesse@chromium.org void IsObjectJSStringType(Register object, 624023421e6892b2ba6dcd2bbee117e0bfb24545cf7whesse@chromium.org Register scratch, 625023421e6892b2ba6dcd2bbee117e0bfb24545cf7whesse@chromium.org Label* fail); 626b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org 627750145ab1b720c97adf2b548cc8fbd28c8b8e06dulan@chromium.org void IsObjectNameType(Register object, 628750145ab1b720c97adf2b548cc8fbd28c8b8e06dulan@chromium.org Register scratch, 629750145ab1b720c97adf2b548cc8fbd28c8b8e06dulan@chromium.org Label* fail); 630750145ab1b720c97adf2b548cc8fbd28c8b8e06dulan@chromium.org 631769cc962a043dd8d92cc010dd2c50bc26f652c94mads.s.ager@gmail.com // --------------------------------------------------------------------------- 63243d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen // Debugger Support 63343d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen 6345c838251403b0be9a882540f1922577abba4c872ager@chromium.org void DebugBreak(); 63543d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen 63643d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen // --------------------------------------------------------------------------- 63743d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen // Exception handling 63843d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen 63943d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen // Push a new try handler and link into try handler chain. 64078d1ad443658709d6c27809001a0e71efd8b898fyangguo@chromium.org void PushTryHandler(StackHandler::Kind kind, int handler_index); 64143d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen 64213bd294acf56c7f824d92d4941a2aeb3cec58e0ckmillikin@chromium.org // Unlink the stack handler on top of the stack from the try handler chain. 64313bd294acf56c7f824d92d4941a2aeb3cec58e0ckmillikin@chromium.org // Must preserve the result register. 64413bd294acf56c7f824d92d4941a2aeb3cec58e0ckmillikin@chromium.org void PopTryHandler(); 64543d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen 64665a89c29ac6da09f5726f48f68eae9587b0e562aulan@chromium.org // Passes thrown value to the handler of top of the try handler chain. 64749edbdf52640c88918f8e6638ab4965819eb1dfekmillikin@chromium.org void Throw(Register value); 64849edbdf52640c88918f8e6638ab4965819eb1dfekmillikin@chromium.org 64949edbdf52640c88918f8e6638ab4965819eb1dfekmillikin@chromium.org // Propagates an uncatchable exception to the top of the current JS stack's 65049edbdf52640c88918f8e6638ab4965819eb1dfekmillikin@chromium.org // handler chain. 65165a89c29ac6da09f5726f48f68eae9587b0e562aulan@chromium.org void ThrowUncatchable(Register value); 65249edbdf52640c88918f8e6638ab4965819eb1dfekmillikin@chromium.org 65343d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen // --------------------------------------------------------------------------- 65443d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen // Inline caching support 65543d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen 65643d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen // Generate code for checking access rights - used for security checks 65743d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen // on access to global objects across environments. The holder register 65843d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen // is left untouched, whereas both scratch registers are clobbered. 6595a8ca6c70c6fc9716f18f6223c98d1fef5752cf6kasperl@chromium.org void CheckAccessGlobalProxy(Register holder_reg, 6605a8ca6c70c6fc9716f18f6223c98d1fef5752cf6kasperl@chromium.org Register scratch, 6615a8ca6c70c6fc9716f18f6223c98d1fef5752cf6kasperl@chromium.org Label* miss); 66243d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen 663f2038fb01417bcf7698b87a5dfaa4a861539618aerik.corry@gmail.com void GetNumberHash(Register t0, Register scratch); 6646db8871df97e7137d11f956af3c772f4f8370761sgjesse@chromium.org 6656db8871df97e7137d11f956af3c772f4f8370761sgjesse@chromium.org void LoadFromNumberDictionary(Label* miss, 6666db8871df97e7137d11f956af3c772f4f8370761sgjesse@chromium.org Register elements, 6676db8871df97e7137d11f956af3c772f4f8370761sgjesse@chromium.org Register key, 6686db8871df97e7137d11f956af3c772f4f8370761sgjesse@chromium.org Register result, 6696db8871df97e7137d11f956af3c772f4f8370761sgjesse@chromium.org Register t0, 6706db8871df97e7137d11f956af3c772f4f8370761sgjesse@chromium.org Register t1, 6716db8871df97e7137d11f956af3c772f4f8370761sgjesse@chromium.org Register t2); 6726db8871df97e7137d11f956af3c772f4f8370761sgjesse@chromium.org 6736db8871df97e7137d11f956af3c772f4f8370761sgjesse@chromium.org 674beb2571dca14508fbbbb47a2f606327d5968ee92ager@chromium.org inline void MarkCode(NopMarkerTypes type) { 675beb2571dca14508fbbbb47a2f606327d5968ee92ager@chromium.org nop(type); 676beb2571dca14508fbbbb47a2f606327d5968ee92ager@chromium.org } 677beb2571dca14508fbbbb47a2f606327d5968ee92ager@chromium.org 678beb2571dca14508fbbbb47a2f606327d5968ee92ager@chromium.org // Check if the given instruction is a 'type' marker. 6792efb900e7350b14be905abdeab077f3a64c583cfulan@chromium.org // i.e. check if is is a mov r<type>, r<type> (referenced as nop(type)) 680beb2571dca14508fbbbb47a2f606327d5968ee92ager@chromium.org // These instructions are generated to mark special location in the code, 681beb2571dca14508fbbbb47a2f606327d5968ee92ager@chromium.org // like some special IC code. 682beb2571dca14508fbbbb47a2f606327d5968ee92ager@chromium.org static inline bool IsMarkedCode(Instr instr, int type) { 683beb2571dca14508fbbbb47a2f606327d5968ee92ager@chromium.org ASSERT((FIRST_IC_MARKER <= type) && (type < LAST_CODE_MARKER)); 684beb2571dca14508fbbbb47a2f606327d5968ee92ager@chromium.org return IsNop(instr, type); 685beb2571dca14508fbbbb47a2f606327d5968ee92ager@chromium.org } 686beb2571dca14508fbbbb47a2f606327d5968ee92ager@chromium.org 687beb2571dca14508fbbbb47a2f606327d5968ee92ager@chromium.org 688beb2571dca14508fbbbb47a2f606327d5968ee92ager@chromium.org static inline int GetCodeMarker(Instr instr) { 689beb2571dca14508fbbbb47a2f606327d5968ee92ager@chromium.org int dst_reg_offset = 12; 690beb2571dca14508fbbbb47a2f606327d5968ee92ager@chromium.org int dst_mask = 0xf << dst_reg_offset; 691beb2571dca14508fbbbb47a2f606327d5968ee92ager@chromium.org int src_mask = 0xf; 692beb2571dca14508fbbbb47a2f606327d5968ee92ager@chromium.org int dst_reg = (instr & dst_mask) >> dst_reg_offset; 693beb2571dca14508fbbbb47a2f606327d5968ee92ager@chromium.org int src_reg = instr & src_mask; 694beb2571dca14508fbbbb47a2f606327d5968ee92ager@chromium.org uint32_t non_register_mask = ~(dst_mask | src_mask); 695beb2571dca14508fbbbb47a2f606327d5968ee92ager@chromium.org uint32_t mov_mask = al | 13 << 21; 696beb2571dca14508fbbbb47a2f606327d5968ee92ager@chromium.org 697beb2571dca14508fbbbb47a2f606327d5968ee92ager@chromium.org // Return <n> if we have a mov rn rn, else return -1. 698beb2571dca14508fbbbb47a2f606327d5968ee92ager@chromium.org int type = ((instr & non_register_mask) == mov_mask) && 699beb2571dca14508fbbbb47a2f606327d5968ee92ager@chromium.org (dst_reg == src_reg) && 700beb2571dca14508fbbbb47a2f606327d5968ee92ager@chromium.org (FIRST_IC_MARKER <= dst_reg) && (dst_reg < LAST_CODE_MARKER) 701beb2571dca14508fbbbb47a2f606327d5968ee92ager@chromium.org ? src_reg 702beb2571dca14508fbbbb47a2f606327d5968ee92ager@chromium.org : -1; 703beb2571dca14508fbbbb47a2f606327d5968ee92ager@chromium.org ASSERT((type == -1) || 704beb2571dca14508fbbbb47a2f606327d5968ee92ager@chromium.org ((FIRST_IC_MARKER <= type) && (type < LAST_CODE_MARKER))); 705beb2571dca14508fbbbb47a2f606327d5968ee92ager@chromium.org return type; 706beb2571dca14508fbbbb47a2f606327d5968ee92ager@chromium.org } 707beb2571dca14508fbbbb47a2f606327d5968ee92ager@chromium.org 70843d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen 70943d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen // --------------------------------------------------------------------------- 71018ad94b919217ffbcd2d3159eeb5f8c588761c47ager@chromium.org // Allocation support 71118ad94b919217ffbcd2d3159eeb5f8c588761c47ager@chromium.org 7122bda543d75374afd8d7e98f56ca99a57ae1b7bd1svenpanne@chromium.org // Allocate an object in new space or old pointer space. The object_size is 7132bda543d75374afd8d7e98f56ca99a57ae1b7bd1svenpanne@chromium.org // specified either in bytes or in words if the allocation flag SIZE_IN_WORDS 7142bda543d75374afd8d7e98f56ca99a57ae1b7bd1svenpanne@chromium.org // is passed. If the space is exhausted control continues at the gc_required 7152bda543d75374afd8d7e98f56ca99a57ae1b7bd1svenpanne@chromium.org // label. The allocated object is returned in result. If the flag 7162bda543d75374afd8d7e98f56ca99a57ae1b7bd1svenpanne@chromium.org // tag_allocated_object is true the result is tagged as as a heap object. 7172bda543d75374afd8d7e98f56ca99a57ae1b7bd1svenpanne@chromium.org // All registers are clobbered also when control continues at the gc_required 7182bda543d75374afd8d7e98f56ca99a57ae1b7bd1svenpanne@chromium.org // label. 7192bda543d75374afd8d7e98f56ca99a57ae1b7bd1svenpanne@chromium.org void Allocate(int object_size, 7202bda543d75374afd8d7e98f56ca99a57ae1b7bd1svenpanne@chromium.org Register result, 7212bda543d75374afd8d7e98f56ca99a57ae1b7bd1svenpanne@chromium.org Register scratch1, 7222bda543d75374afd8d7e98f56ca99a57ae1b7bd1svenpanne@chromium.org Register scratch2, 7232bda543d75374afd8d7e98f56ca99a57ae1b7bd1svenpanne@chromium.org Label* gc_required, 7242bda543d75374afd8d7e98f56ca99a57ae1b7bd1svenpanne@chromium.org AllocationFlags flags); 7252bda543d75374afd8d7e98f56ca99a57ae1b7bd1svenpanne@chromium.org 726f705b5034dc5bc422ac1019b591469a7d0534772mstarzinger@chromium.org void Allocate(Register object_size, 727f705b5034dc5bc422ac1019b591469a7d0534772mstarzinger@chromium.org Register result, 728f705b5034dc5bc422ac1019b591469a7d0534772mstarzinger@chromium.org Register scratch1, 729f705b5034dc5bc422ac1019b591469a7d0534772mstarzinger@chromium.org Register scratch2, 730f705b5034dc5bc422ac1019b591469a7d0534772mstarzinger@chromium.org Label* gc_required, 731f705b5034dc5bc422ac1019b591469a7d0534772mstarzinger@chromium.org AllocationFlags flags); 732a1645e29968e70a41226edda2c49788fcea48b74ager@chromium.org 733a1645e29968e70a41226edda2c49788fcea48b74ager@chromium.org // Undo allocation in new space. The object passed and objects allocated after 734a1645e29968e70a41226edda2c49788fcea48b74ager@chromium.org // it will no longer be allocated. The caller must make sure that no pointers 735a1645e29968e70a41226edda2c49788fcea48b74ager@chromium.org // are left to the object(s) no longer allocated as they would be invalid when 736a1645e29968e70a41226edda2c49788fcea48b74ager@chromium.org // allocation is undone. 737a1645e29968e70a41226edda2c49788fcea48b74ager@chromium.org void UndoAllocationInNewSpace(Register object, Register scratch); 73818ad94b919217ffbcd2d3159eeb5f8c588761c47ager@chromium.org 7395c838251403b0be9a882540f1922577abba4c872ager@chromium.org 7405c838251403b0be9a882540f1922577abba4c872ager@chromium.org void AllocateTwoByteString(Register result, 7415c838251403b0be9a882540f1922577abba4c872ager@chromium.org Register length, 7425c838251403b0be9a882540f1922577abba4c872ager@chromium.org Register scratch1, 7435c838251403b0be9a882540f1922577abba4c872ager@chromium.org Register scratch2, 7445c838251403b0be9a882540f1922577abba4c872ager@chromium.org Register scratch3, 7455c838251403b0be9a882540f1922577abba4c872ager@chromium.org Label* gc_required); 7465c838251403b0be9a882540f1922577abba4c872ager@chromium.org void AllocateAsciiString(Register result, 7475c838251403b0be9a882540f1922577abba4c872ager@chromium.org Register length, 7485c838251403b0be9a882540f1922577abba4c872ager@chromium.org Register scratch1, 7495c838251403b0be9a882540f1922577abba4c872ager@chromium.org Register scratch2, 7505c838251403b0be9a882540f1922577abba4c872ager@chromium.org Register scratch3, 7515c838251403b0be9a882540f1922577abba4c872ager@chromium.org Label* gc_required); 7525c838251403b0be9a882540f1922577abba4c872ager@chromium.org void AllocateTwoByteConsString(Register result, 7535c838251403b0be9a882540f1922577abba4c872ager@chromium.org Register length, 7545c838251403b0be9a882540f1922577abba4c872ager@chromium.org Register scratch1, 7555c838251403b0be9a882540f1922577abba4c872ager@chromium.org Register scratch2, 7565c838251403b0be9a882540f1922577abba4c872ager@chromium.org Label* gc_required); 7575c838251403b0be9a882540f1922577abba4c872ager@chromium.org void AllocateAsciiConsString(Register result, 7585c838251403b0be9a882540f1922577abba4c872ager@chromium.org Register length, 7595c838251403b0be9a882540f1922577abba4c872ager@chromium.org Register scratch1, 7605c838251403b0be9a882540f1922577abba4c872ager@chromium.org Register scratch2, 7615c838251403b0be9a882540f1922577abba4c872ager@chromium.org Label* gc_required); 7621805e21b0aece8c05f4960a5c0751c4463557891fschneider@chromium.org void AllocateTwoByteSlicedString(Register result, 7631805e21b0aece8c05f4960a5c0751c4463557891fschneider@chromium.org Register length, 7641805e21b0aece8c05f4960a5c0751c4463557891fschneider@chromium.org Register scratch1, 7651805e21b0aece8c05f4960a5c0751c4463557891fschneider@chromium.org Register scratch2, 7661805e21b0aece8c05f4960a5c0751c4463557891fschneider@chromium.org Label* gc_required); 7671805e21b0aece8c05f4960a5c0751c4463557891fschneider@chromium.org void AllocateAsciiSlicedString(Register result, 7681805e21b0aece8c05f4960a5c0751c4463557891fschneider@chromium.org Register length, 7691805e21b0aece8c05f4960a5c0751c4463557891fschneider@chromium.org Register scratch1, 7701805e21b0aece8c05f4960a5c0751c4463557891fschneider@chromium.org Register scratch2, 7711805e21b0aece8c05f4960a5c0751c4463557891fschneider@chromium.org Label* gc_required); 7725c838251403b0be9a882540f1922577abba4c872ager@chromium.org 773720dc0bc17114e33b9b2177fcb6726bda9cabd62sgjesse@chromium.org // Allocates a heap number or jumps to the gc_required label if the young 774720dc0bc17114e33b9b2177fcb6726bda9cabd62sgjesse@chromium.org // space is full and a scavenge is needed. All registers are clobbered also 775720dc0bc17114e33b9b2177fcb6726bda9cabd62sgjesse@chromium.org // when control continues at the gc_required label. 7765d8f0e6e7b477f422e3064bdf0dd5f2a23f75544kmillikin@chromium.org void AllocateHeapNumber(Register result, 7775d8f0e6e7b477f422e3064bdf0dd5f2a23f75544kmillikin@chromium.org Register scratch1, 7785d8f0e6e7b477f422e3064bdf0dd5f2a23f75544kmillikin@chromium.org Register scratch2, 7795ad5acef6bd4ebc785f946d8bcc2a88b1e031827ricow@chromium.org Register heap_number_map, 780c859c4f83f6ec3e010213dbbe447cc1f927d01c5svenpanne@chromium.org Label* gc_required, 781c859c4f83f6ec3e010213dbbe447cc1f927d01c5svenpanne@chromium.org TaggingMode tagging_mode = TAG_RESULT); 78232d961d4454609ab4251a760fc46b19f661da90clrn@chromium.org void AllocateHeapNumberWithValue(Register result, 78332d961d4454609ab4251a760fc46b19f661da90clrn@chromium.org DwVfpRegister value, 78432d961d4454609ab4251a760fc46b19f661da90clrn@chromium.org Register scratch1, 78532d961d4454609ab4251a760fc46b19f661da90clrn@chromium.org Register scratch2, 78632d961d4454609ab4251a760fc46b19f661da90clrn@chromium.org Register heap_number_map, 78732d961d4454609ab4251a760fc46b19f661da90clrn@chromium.org Label* gc_required); 78832d961d4454609ab4251a760fc46b19f661da90clrn@chromium.org 789c4e51ac6d26b42753a57a4a9e4a419243b50151clrn@chromium.org // Copies a fixed number of fields of heap objects from src to dst. 790e27d617298263725e8a48c2aa14029759b952623mstarzinger@chromium.org void CopyFields(Register dst, 791e27d617298263725e8a48c2aa14029759b952623mstarzinger@chromium.org Register src, 792fb732b17922ea75830be4db6b80534c4827d8a55jkummerow@chromium.org LowDwVfpRegister double_scratch, 793e27d617298263725e8a48c2aa14029759b952623mstarzinger@chromium.org int field_count); 7945c838251403b0be9a882540f1922577abba4c872ager@chromium.org 7959ee27ae43ab88e9bb6417ff9e27af64e0cf13729ager@chromium.org // Copies a number of bytes from src to dst. All registers are clobbered. On 7969ee27ae43ab88e9bb6417ff9e27af64e0cf13729ager@chromium.org // exit src and dst will point to the place just after where the last byte was 7979ee27ae43ab88e9bb6417ff9e27af64e0cf13729ager@chromium.org // read or written and length will be zero. 7989ee27ae43ab88e9bb6417ff9e27af64e0cf13729ager@chromium.org void CopyBytes(Register src, 7999ee27ae43ab88e9bb6417ff9e27af64e0cf13729ager@chromium.org Register dst, 8009ee27ae43ab88e9bb6417ff9e27af64e0cf13729ager@chromium.org Register length, 8019ee27ae43ab88e9bb6417ff9e27af64e0cf13729ager@chromium.org Register scratch); 8029ee27ae43ab88e9bb6417ff9e27af64e0cf13729ager@chromium.org 803c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com // Initialize fields with filler values. Fields starting at |start_offset| 804c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com // not including end_offset are overwritten with the value in |filler|. At 805c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com // the end the loop, |start_offset| takes the value of |end_offset|. 806c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com void InitializeFieldsWithFiller(Register start_offset, 807c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com Register end_offset, 808c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com Register filler); 809c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com 81018ad94b919217ffbcd2d3159eeb5f8c588761c47ager@chromium.org // --------------------------------------------------------------------------- 81141044eb0969b0d7d5c041a077519a36efa6aff27kasperl@chromium.org // Support functions. 81241044eb0969b0d7d5c041a077519a36efa6aff27kasperl@chromium.org 813eadaf2282ee421d7a63a21d71369b029105341ccager@chromium.org // Try to get function prototype of a function and puts the value in 814eadaf2282ee421d7a63a21d71369b029105341ccager@chromium.org // the result register. Checks that the function really is a 815eadaf2282ee421d7a63a21d71369b029105341ccager@chromium.org // function and jumps to the miss label if the fast checks fail. The 816eadaf2282ee421d7a63a21d71369b029105341ccager@chromium.org // function register will be untouched; the other registers may be 817eadaf2282ee421d7a63a21d71369b029105341ccager@chromium.org // clobbered. 818eadaf2282ee421d7a63a21d71369b029105341ccager@chromium.org void TryGetFunctionPrototype(Register function, 819eadaf2282ee421d7a63a21d71369b029105341ccager@chromium.org Register result, 820eadaf2282ee421d7a63a21d71369b029105341ccager@chromium.org Register scratch, 821394dbcf9009cf5203b6d85e8b515fcff072040f3erik.corry@gmail.com Label* miss, 822394dbcf9009cf5203b6d85e8b515fcff072040f3erik.corry@gmail.com bool miss_on_bound_function = false); 823eadaf2282ee421d7a63a21d71369b029105341ccager@chromium.org 824eadaf2282ee421d7a63a21d71369b029105341ccager@chromium.org // Compare object type for heap object. heap_object contains a non-Smi 825eadaf2282ee421d7a63a21d71369b029105341ccager@chromium.org // whose object type should be compared with the given type. This both 826eadaf2282ee421d7a63a21d71369b029105341ccager@chromium.org // sets the flags and leaves the object type in the type_reg register. 827eadaf2282ee421d7a63a21d71369b029105341ccager@chromium.org // It leaves the map in the map register (unless the type_reg and map register 828eadaf2282ee421d7a63a21d71369b029105341ccager@chromium.org // are the same register). It leaves the heap object in the heap_object 829eadaf2282ee421d7a63a21d71369b029105341ccager@chromium.org // register unless the heap_object register is the same register as one of the 830a1645e29968e70a41226edda2c49788fcea48b74ager@chromium.org // other registers. 83137be408adf363bbe682921a4a690752fa0ec33femachenbach@chromium.org // Type_reg can be no_reg. In that case ip is used. 832eadaf2282ee421d7a63a21d71369b029105341ccager@chromium.org void CompareObjectType(Register heap_object, 833eadaf2282ee421d7a63a21d71369b029105341ccager@chromium.org Register map, 834eadaf2282ee421d7a63a21d71369b029105341ccager@chromium.org Register type_reg, 835eadaf2282ee421d7a63a21d71369b029105341ccager@chromium.org InstanceType type); 836eadaf2282ee421d7a63a21d71369b029105341ccager@chromium.org 83737be408adf363bbe682921a4a690752fa0ec33femachenbach@chromium.org // Compare object type for heap object. Branch to false_label if type 83837be408adf363bbe682921a4a690752fa0ec33femachenbach@chromium.org // is lower than min_type or greater than max_type. 83937be408adf363bbe682921a4a690752fa0ec33femachenbach@chromium.org // Load map into the register map. 84037be408adf363bbe682921a4a690752fa0ec33femachenbach@chromium.org void CheckObjectTypeRange(Register heap_object, 84137be408adf363bbe682921a4a690752fa0ec33femachenbach@chromium.org Register map, 84237be408adf363bbe682921a4a690752fa0ec33femachenbach@chromium.org InstanceType min_type, 84337be408adf363bbe682921a4a690752fa0ec33femachenbach@chromium.org InstanceType max_type, 84437be408adf363bbe682921a4a690752fa0ec33femachenbach@chromium.org Label* false_label); 84537be408adf363bbe682921a4a690752fa0ec33femachenbach@chromium.org 846a1645e29968e70a41226edda2c49788fcea48b74ager@chromium.org // Compare instance type in a map. map contains a valid map object whose 847a1645e29968e70a41226edda2c49788fcea48b74ager@chromium.org // object type should be compared with the given type. This both 84834e60787ea1e76f3ee49e859f71f036170c21f0elrn@chromium.org // sets the flags and leaves the object type in the type_reg register. 849a1645e29968e70a41226edda2c49788fcea48b74ager@chromium.org void CompareInstanceType(Register map, 850a1645e29968e70a41226edda2c49788fcea48b74ager@chromium.org Register type_reg, 851a1645e29968e70a41226edda2c49788fcea48b74ager@chromium.org InstanceType type); 852a1645e29968e70a41226edda2c49788fcea48b74ager@chromium.org 8535c838251403b0be9a882540f1922577abba4c872ager@chromium.org 854d6076d96a1411932548838e5960b594564264010erik.corry@gmail.com // Check if a map for a JSObject indicates that the object has fast elements. 855d6076d96a1411932548838e5960b594564264010erik.corry@gmail.com // Jump to the specified label if it does not. 856d6076d96a1411932548838e5960b594564264010erik.corry@gmail.com void CheckFastElements(Register map, 857d6076d96a1411932548838e5960b594564264010erik.corry@gmail.com Register scratch, 858d6076d96a1411932548838e5960b594564264010erik.corry@gmail.com Label* fail); 859d6076d96a1411932548838e5960b594564264010erik.corry@gmail.com 860c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com // Check if a map for a JSObject indicates that the object can have both smi 861c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com // and HeapObject elements. Jump to the specified label if it does not. 862c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com void CheckFastObjectElements(Register map, 863c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com Register scratch, 864c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com Label* fail); 865c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com 866c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com // Check if a map for a JSObject indicates that the object has fast smi only 867c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com // elements. Jump to the specified label if it does not. 868830d30c478be03b0ac560f4002833ab141e41effsvenpanne@chromium.org void CheckFastSmiElements(Register map, 869830d30c478be03b0ac560f4002833ab141e41effsvenpanne@chromium.org Register scratch, 870830d30c478be03b0ac560f4002833ab141e41effsvenpanne@chromium.org Label* fail); 871c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com 872a8bb4d938869bdcdf759625ee868775ff24826d9svenpanne@chromium.org // Check to see if maybe_number can be stored as a double in 873a8bb4d938869bdcdf759625ee868775ff24826d9svenpanne@chromium.org // FastDoubleElements. If it can, store it at the index specified by key in 87432d7dbafe29be06cec1edd36c31fbe2865c799f4ulan@chromium.org // the FastDoubleElements array elements. Otherwise jump to fail. 875a8bb4d938869bdcdf759625ee868775ff24826d9svenpanne@chromium.org void StoreNumberToDoubleElements(Register value_reg, 876a8bb4d938869bdcdf759625ee868775ff24826d9svenpanne@chromium.org Register key_reg, 877a8bb4d938869bdcdf759625ee868775ff24826d9svenpanne@chromium.org Register elements_reg, 878a8bb4d938869bdcdf759625ee868775ff24826d9svenpanne@chromium.org Register scratch1, 879fb732b17922ea75830be4db6b80534c4827d8a55jkummerow@chromium.org LowDwVfpRegister double_scratch, 880fb37721ea34922d8758d5cb26ae465aaf241e6b6yangguo@chromium.org Label* fail, 881fb37721ea34922d8758d5cb26ae465aaf241e6b6yangguo@chromium.org int elements_offset = 0); 882a8bb4d938869bdcdf759625ee868775ff24826d9svenpanne@chromium.org 883f2038fb01417bcf7698b87a5dfaa4a861539618aerik.corry@gmail.com // Compare an object's map with the specified map and its transitioned 884f2038fb01417bcf7698b87a5dfaa4a861539618aerik.corry@gmail.com // elements maps if mode is ALLOW_ELEMENT_TRANSITION_MAPS. Condition flags are 885f2038fb01417bcf7698b87a5dfaa4a861539618aerik.corry@gmail.com // set with result of map compare. If multiple map compares are required, the 886f2038fb01417bcf7698b87a5dfaa4a861539618aerik.corry@gmail.com // compare sequences branches to early_success. 887f2038fb01417bcf7698b87a5dfaa4a861539618aerik.corry@gmail.com void CompareMap(Register obj, 888f2038fb01417bcf7698b87a5dfaa4a861539618aerik.corry@gmail.com Register scratch, 889f2038fb01417bcf7698b87a5dfaa4a861539618aerik.corry@gmail.com Handle<Map> map, 890a53e8e03bcb23716d1025de362626f90f00da892svenpanne@chromium.org Label* early_success); 891f2038fb01417bcf7698b87a5dfaa4a861539618aerik.corry@gmail.com 8927028c05c1c71b9d5c5fe1bca01f2461d17a2dda7mmassi@chromium.org // As above, but the map of the object is already loaded into the register 8937028c05c1c71b9d5c5fe1bca01f2461d17a2dda7mmassi@chromium.org // which is preserved by the code generated. 8947028c05c1c71b9d5c5fe1bca01f2461d17a2dda7mmassi@chromium.org void CompareMap(Register obj_map, 8957028c05c1c71b9d5c5fe1bca01f2461d17a2dda7mmassi@chromium.org Handle<Map> map, 896a53e8e03bcb23716d1025de362626f90f00da892svenpanne@chromium.org Label* early_success); 8977028c05c1c71b9d5c5fe1bca01f2461d17a2dda7mmassi@chromium.org 898f2038fb01417bcf7698b87a5dfaa4a861539618aerik.corry@gmail.com // Check if the map of an object is equal to a specified map and branch to 899f2038fb01417bcf7698b87a5dfaa4a861539618aerik.corry@gmail.com // label if not. Skip the smi check if not required (object is known to be a 900f2038fb01417bcf7698b87a5dfaa4a861539618aerik.corry@gmail.com // heap object). If mode is ALLOW_ELEMENT_TRANSITION_MAPS, then also match 9012efb900e7350b14be905abdeab077f3a64c583cfulan@chromium.org // against maps that are ElementsKind transition maps of the specified map. 9025c838251403b0be9a882540f1922577abba4c872ager@chromium.org void CheckMap(Register obj, 9035c838251403b0be9a882540f1922577abba4c872ager@chromium.org Register scratch, 9045c838251403b0be9a882540f1922577abba4c872ager@chromium.org Handle<Map> map, 9055c838251403b0be9a882540f1922577abba4c872ager@chromium.org Label* fail, 906a53e8e03bcb23716d1025de362626f90f00da892svenpanne@chromium.org SmiCheckType smi_check_type); 9075c838251403b0be9a882540f1922577abba4c872ager@chromium.org 908ea91cc579ade536e3a08498a8157921dd4f533d1ager@chromium.org 9092cc82ae439960d1adaf4374e093730dc23945d59ager@chromium.org void CheckMap(Register obj, 9102cc82ae439960d1adaf4374e093730dc23945d59ager@chromium.org Register scratch, 9112cc82ae439960d1adaf4374e093730dc23945d59ager@chromium.org Heap::RootListIndex index, 9122cc82ae439960d1adaf4374e093730dc23945d59ager@chromium.org Label* fail, 913c53e10d01c5495df3896b9d318910b58688c6929kmillikin@chromium.org SmiCheckType smi_check_type); 9142cc82ae439960d1adaf4374e093730dc23945d59ager@chromium.org 9152cc82ae439960d1adaf4374e093730dc23945d59ager@chromium.org 916ea91cc579ade536e3a08498a8157921dd4f533d1ager@chromium.org // Check if the map of an object is equal to a specified map and branch to a 917ea91cc579ade536e3a08498a8157921dd4f533d1ager@chromium.org // specified target if equal. Skip the smi check if not required (object is 918ea91cc579ade536e3a08498a8157921dd4f533d1ager@chromium.org // known to be a heap object) 919ea91cc579ade536e3a08498a8157921dd4f533d1ager@chromium.org void DispatchMap(Register obj, 920ea91cc579ade536e3a08498a8157921dd4f533d1ager@chromium.org Register scratch, 921ea91cc579ade536e3a08498a8157921dd4f533d1ager@chromium.org Handle<Map> map, 922ea91cc579ade536e3a08498a8157921dd4f533d1ager@chromium.org Handle<Code> success, 923ea91cc579ade536e3a08498a8157921dd4f533d1ager@chromium.org SmiCheckType smi_check_type); 924ea91cc579ade536e3a08498a8157921dd4f533d1ager@chromium.org 925ea91cc579ade536e3a08498a8157921dd4f533d1ager@chromium.org 9268f806e8b8f108ca2c8899c5d31861ef1273dcd4akarlklose@chromium.org // Compare the object in a register to a value from the root list. 9278f806e8b8f108ca2c8899c5d31861ef1273dcd4akarlklose@chromium.org // Uses the ip register as scratch. 9288f806e8b8f108ca2c8899c5d31861ef1273dcd4akarlklose@chromium.org void CompareRoot(Register obj, Heap::RootListIndex index); 9298f806e8b8f108ca2c8899c5d31861ef1273dcd4akarlklose@chromium.org 9308f806e8b8f108ca2c8899c5d31861ef1273dcd4akarlklose@chromium.org 9315c838251403b0be9a882540f1922577abba4c872ager@chromium.org // Load and check the instance type of an object for being a string. 9325c838251403b0be9a882540f1922577abba4c872ager@chromium.org // Loads the type into the second argument register. 933e4ac3ef2f6fa9300bc78c5a4cb7d4cb66ac6e83dmvstanton@chromium.org // Returns a condition that will be enabled if the object was a string 934e4ac3ef2f6fa9300bc78c5a4cb7d4cb66ac6e83dmvstanton@chromium.org // and the passed-in condition passed. If the passed-in condition failed 935e4ac3ef2f6fa9300bc78c5a4cb7d4cb66ac6e83dmvstanton@chromium.org // then flags remain unchanged. 9365c838251403b0be9a882540f1922577abba4c872ager@chromium.org Condition IsObjectStringType(Register obj, 937e4ac3ef2f6fa9300bc78c5a4cb7d4cb66ac6e83dmvstanton@chromium.org Register type, 938e4ac3ef2f6fa9300bc78c5a4cb7d4cb66ac6e83dmvstanton@chromium.org Condition cond = al) { 939e4ac3ef2f6fa9300bc78c5a4cb7d4cb66ac6e83dmvstanton@chromium.org ldr(type, FieldMemOperand(obj, HeapObject::kMapOffset), cond); 940e4ac3ef2f6fa9300bc78c5a4cb7d4cb66ac6e83dmvstanton@chromium.org ldrb(type, FieldMemOperand(type, Map::kInstanceTypeOffset), cond); 941e4ac3ef2f6fa9300bc78c5a4cb7d4cb66ac6e83dmvstanton@chromium.org tst(type, Operand(kIsNotStringMask), cond); 9425c838251403b0be9a882540f1922577abba4c872ager@chromium.org ASSERT_EQ(0, kStringTag); 9435c838251403b0be9a882540f1922577abba4c872ager@chromium.org return eq; 9445c838251403b0be9a882540f1922577abba4c872ager@chromium.org } 9455c838251403b0be9a882540f1922577abba4c872ager@chromium.org 9465c838251403b0be9a882540f1922577abba4c872ager@chromium.org 947d236f4d96b5dd21acc5ec57f4e50fa97cdd97bb6ricow@chromium.org // Picks out an array index from the hash field. 948d236f4d96b5dd21acc5ec57f4e50fa97cdd97bb6ricow@chromium.org // Register use: 949d236f4d96b5dd21acc5ec57f4e50fa97cdd97bb6ricow@chromium.org // hash - holds the index's hash. Clobbered. 950d236f4d96b5dd21acc5ec57f4e50fa97cdd97bb6ricow@chromium.org // index - holds the overwritten index on exit. 951d236f4d96b5dd21acc5ec57f4e50fa97cdd97bb6ricow@chromium.org void IndexFromHash(Register hash, Register index); 952d236f4d96b5dd21acc5ec57f4e50fa97cdd97bb6ricow@chromium.org 9535c838251403b0be9a882540f1922577abba4c872ager@chromium.org // Get the number of least significant bits from a register 9545c838251403b0be9a882540f1922577abba4c872ager@chromium.org void GetLeastBitsFromSmi(Register dst, Register src, int num_least_bits); 955496c03a64f12710e837204e261ef155601247895sgjesse@chromium.org void GetLeastBitsFromInt32(Register dst, Register src, int mun_least_bits); 9565c838251403b0be9a882540f1922577abba4c872ager@chromium.org 957bf9432e3965b385e2e8df3701b710c105f5b3eb7ulan@chromium.org // Load the value of a smi object into a double register. 958bf9432e3965b385e2e8df3701b710c105f5b3eb7ulan@chromium.org // The register value must be between d0 and d15. 959fb732b17922ea75830be4db6b80534c4827d8a55jkummerow@chromium.org void SmiToDouble(LowDwVfpRegister value, Register smi); 96032d961d4454609ab4251a760fc46b19f661da90clrn@chromium.org 961750145ab1b720c97adf2b548cc8fbd28c8b8e06dulan@chromium.org // Check if a double can be exactly represented as a signed 32-bit integer. 962750145ab1b720c97adf2b548cc8fbd28c8b8e06dulan@chromium.org // Z flag set to one if true. 963750145ab1b720c97adf2b548cc8fbd28c8b8e06dulan@chromium.org void TestDoubleIsInt32(DwVfpRegister double_input, 964fb732b17922ea75830be4db6b80534c4827d8a55jkummerow@chromium.org LowDwVfpRegister double_scratch); 965750145ab1b720c97adf2b548cc8fbd28c8b8e06dulan@chromium.org 966750145ab1b720c97adf2b548cc8fbd28c8b8e06dulan@chromium.org // Try to convert a double to a signed 32-bit integer. 967750145ab1b720c97adf2b548cc8fbd28c8b8e06dulan@chromium.org // Z flag set to one and result assigned if the conversion is exact. 968750145ab1b720c97adf2b548cc8fbd28c8b8e06dulan@chromium.org void TryDoubleToInt32Exact(Register result, 969750145ab1b720c97adf2b548cc8fbd28c8b8e06dulan@chromium.org DwVfpRegister double_input, 970fb732b17922ea75830be4db6b80534c4827d8a55jkummerow@chromium.org LowDwVfpRegister double_scratch); 971750145ab1b720c97adf2b548cc8fbd28c8b8e06dulan@chromium.org 972750145ab1b720c97adf2b548cc8fbd28c8b8e06dulan@chromium.org // Floor a double and writes the value to the result register. 973750145ab1b720c97adf2b548cc8fbd28c8b8e06dulan@chromium.org // Go to exact if the conversion is exact (to be able to test -0), 974750145ab1b720c97adf2b548cc8fbd28c8b8e06dulan@chromium.org // fall through calling code if an overflow occurred, else go to done. 975fb732b17922ea75830be4db6b80534c4827d8a55jkummerow@chromium.org // In return, input_high is loaded with high bits of input. 976750145ab1b720c97adf2b548cc8fbd28c8b8e06dulan@chromium.org void TryInt32Floor(Register result, 977750145ab1b720c97adf2b548cc8fbd28c8b8e06dulan@chromium.org DwVfpRegister double_input, 978750145ab1b720c97adf2b548cc8fbd28c8b8e06dulan@chromium.org Register input_high, 979fb732b17922ea75830be4db6b80534c4827d8a55jkummerow@chromium.org LowDwVfpRegister double_scratch, 980750145ab1b720c97adf2b548cc8fbd28c8b8e06dulan@chromium.org Label* done, 981750145ab1b720c97adf2b548cc8fbd28c8b8e06dulan@chromium.org Label* exact); 9829ee27ae43ab88e9bb6417ff9e27af64e0cf13729ager@chromium.org 983badaffc570baec00166b0ad3bdc96995751a7e13ricow@chromium.org // Performs a truncating conversion of a floating point number as used by 9841e8da746019f818a22dfdc6f691dbc0447048cadjkummerow@chromium.org // the JS bitwise operations. See ECMA-262 9.5: ToInt32. Goes to 'done' if it 9851e8da746019f818a22dfdc6f691dbc0447048cadjkummerow@chromium.org // succeeds, otherwise falls through if result is saturated. On return 9861e8da746019f818a22dfdc6f691dbc0447048cadjkummerow@chromium.org // 'result' either holds answer, or is clobbered on fall through. 9871e8da746019f818a22dfdc6f691dbc0447048cadjkummerow@chromium.org // 9881e8da746019f818a22dfdc6f691dbc0447048cadjkummerow@chromium.org // Only public for the test code in test-code-stubs-arm.cc. 9891e8da746019f818a22dfdc6f691dbc0447048cadjkummerow@chromium.org void TryInlineTruncateDoubleToI(Register result, 9901e8da746019f818a22dfdc6f691dbc0447048cadjkummerow@chromium.org DwVfpRegister input, 9911e8da746019f818a22dfdc6f691dbc0447048cadjkummerow@chromium.org Label* done); 9921e8da746019f818a22dfdc6f691dbc0447048cadjkummerow@chromium.org 9931e8da746019f818a22dfdc6f691dbc0447048cadjkummerow@chromium.org // Performs a truncating conversion of a floating point number as used by 994badaffc570baec00166b0ad3bdc96995751a7e13ricow@chromium.org // the JS bitwise operations. See ECMA-262 9.5: ToInt32. 9951e8da746019f818a22dfdc6f691dbc0447048cadjkummerow@chromium.org // Exits with 'result' holding the answer. 9961e8da746019f818a22dfdc6f691dbc0447048cadjkummerow@chromium.org void TruncateDoubleToI(Register result, DwVfpRegister double_input); 9971e8da746019f818a22dfdc6f691dbc0447048cadjkummerow@chromium.org 9981e8da746019f818a22dfdc6f691dbc0447048cadjkummerow@chromium.org // Performs a truncating conversion of a heap number as used by 9991e8da746019f818a22dfdc6f691dbc0447048cadjkummerow@chromium.org // the JS bitwise operations. See ECMA-262 9.5: ToInt32. 'result' and 'input' 10001e8da746019f818a22dfdc6f691dbc0447048cadjkummerow@chromium.org // must be different registers. Exits with 'result' holding the answer. 10011e8da746019f818a22dfdc6f691dbc0447048cadjkummerow@chromium.org void TruncateHeapNumberToI(Register result, Register object); 10021e8da746019f818a22dfdc6f691dbc0447048cadjkummerow@chromium.org 10031e8da746019f818a22dfdc6f691dbc0447048cadjkummerow@chromium.org // Converts the smi or heap number in object to an int32 using the rules 10041e8da746019f818a22dfdc6f691dbc0447048cadjkummerow@chromium.org // for ToInt32 as described in ECMAScript 9.5.: the value is truncated 10051e8da746019f818a22dfdc6f691dbc0447048cadjkummerow@chromium.org // and brought into the range -2^31 .. +2^31 - 1. 'result' and 'input' must be 10061e8da746019f818a22dfdc6f691dbc0447048cadjkummerow@chromium.org // different registers. 10071e8da746019f818a22dfdc6f691dbc0447048cadjkummerow@chromium.org void TruncateNumberToI(Register object, 10081e8da746019f818a22dfdc6f691dbc0447048cadjkummerow@chromium.org Register result, 10091e8da746019f818a22dfdc6f691dbc0447048cadjkummerow@chromium.org Register heap_number_map, 10101e8da746019f818a22dfdc6f691dbc0447048cadjkummerow@chromium.org Register scratch1, 10111e8da746019f818a22dfdc6f691dbc0447048cadjkummerow@chromium.org Label* not_int32); 1012badaffc570baec00166b0ad3bdc96995751a7e13ricow@chromium.org 1013003650ee766f5e92756d470a37973fd371757485yangguo@chromium.org // Check whether d16-d31 are available on the CPU. The result is given by the 1014003650ee766f5e92756d470a37973fd371757485yangguo@chromium.org // Z condition flag: Z==0 if d16-d31 available, Z==1 otherwise. 1015003650ee766f5e92756d470a37973fd371757485yangguo@chromium.org void CheckFor32DRegs(Register scratch); 1016003650ee766f5e92756d470a37973fd371757485yangguo@chromium.org 101777ca49ac05d25684c89442029c22f5b2bce94395ulan@chromium.org // Does a runtime check for 16/32 FP registers. Either way, pushes 32 double 101877ca49ac05d25684c89442029c22f5b2bce94395ulan@chromium.org // values to location, saving [d0..(d15|d31)]. 101977ca49ac05d25684c89442029c22f5b2bce94395ulan@chromium.org void SaveFPRegs(Register location, Register scratch); 102077ca49ac05d25684c89442029c22f5b2bce94395ulan@chromium.org 102177ca49ac05d25684c89442029c22f5b2bce94395ulan@chromium.org // Does a runtime check for 16/32 FP registers. Either way, pops 32 double 102277ca49ac05d25684c89442029c22f5b2bce94395ulan@chromium.org // values to location, restoring [d0..(d15|d31)]. 102377ca49ac05d25684c89442029c22f5b2bce94395ulan@chromium.org void RestoreFPRegs(Register location, Register scratch); 1024003650ee766f5e92756d470a37973fd371757485yangguo@chromium.org 102541044eb0969b0d7d5c041a077519a36efa6aff27kasperl@chromium.org // --------------------------------------------------------------------------- 102643d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen // Runtime calls 102743d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen 102843d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen // Call a code stub. 10294cd70b470729dd5850dd4120a350f01363d16837yangguo@chromium.org void CallStub(CodeStub* stub, 10304cd70b470729dd5850dd4120a350f01363d16837yangguo@chromium.org TypeFeedbackId ast_id = TypeFeedbackId::None(), 10314cd70b470729dd5850dd4120a350f01363d16837yangguo@chromium.org Condition cond = al); 103243d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen 10335c838251403b0be9a882540f1922577abba4c872ager@chromium.org // Call a code stub. 10345c838251403b0be9a882540f1922577abba4c872ager@chromium.org void TailCallStub(CodeStub* stub, Condition cond = al); 10355c838251403b0be9a882540f1922577abba4c872ager@chromium.org 103643d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen // Call a runtime routine. 1037fb7a7c4ffde9a4d060f5f989371e2ce964ee5831jkummerow@chromium.org void CallRuntime(const Runtime::Function* f, 1038fb7a7c4ffde9a4d060f5f989371e2ce964ee5831jkummerow@chromium.org int num_arguments, 1039fb7a7c4ffde9a4d060f5f989371e2ce964ee5831jkummerow@chromium.org SaveFPRegsMode save_doubles = kDontSaveFPRegs); 1040fb7a7c4ffde9a4d060f5f989371e2ce964ee5831jkummerow@chromium.org void CallRuntimeSaveDoubles(Runtime::FunctionId id) { 1041fb7a7c4ffde9a4d060f5f989371e2ce964ee5831jkummerow@chromium.org const Runtime::Function* function = Runtime::FunctionForId(id); 1042fb7a7c4ffde9a4d060f5f989371e2ce964ee5831jkummerow@chromium.org CallRuntime(function, function->nargs, kSaveFPRegs); 1043fb7a7c4ffde9a4d060f5f989371e2ce964ee5831jkummerow@chromium.org } 104443d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen 104543d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen // Convenience function: Same as above, but takes the fid instead. 1046f9841897146bc10dbb3c45f0632bb79254602c75machenbach@chromium.org void CallRuntime(Runtime::FunctionId id, 1047f9841897146bc10dbb3c45f0632bb79254602c75machenbach@chromium.org int num_arguments, 1048f9841897146bc10dbb3c45f0632bb79254602c75machenbach@chromium.org SaveFPRegsMode save_doubles = kDontSaveFPRegs) { 1049f9841897146bc10dbb3c45f0632bb79254602c75machenbach@chromium.org CallRuntime(Runtime::FunctionForId(id), num_arguments, save_doubles); 1050fb7a7c4ffde9a4d060f5f989371e2ce964ee5831jkummerow@chromium.org } 105143d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen 10525c838251403b0be9a882540f1922577abba4c872ager@chromium.org // Convenience function: call an external reference. 10535c838251403b0be9a882540f1922577abba4c872ager@chromium.org void CallExternalReference(const ExternalReference& ext, 10545c838251403b0be9a882540f1922577abba4c872ager@chromium.org int num_arguments); 10555c838251403b0be9a882540f1922577abba4c872ager@chromium.org 105643d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen // Tail call of a runtime routine (jump). 1057ce5e87bd905d592a8bd612b3dedf7a994177c13aager@chromium.org // Like JumpToExternalReference, but also takes care of passing the number 105831e7138e1a05e29ceefa8919ae12cb621a48ca7fmads.s.ager // of parameters. 1059ce5e87bd905d592a8bd612b3dedf7a994177c13aager@chromium.org void TailCallExternalReference(const ExternalReference& ext, 1060ce5e87bd905d592a8bd612b3dedf7a994177c13aager@chromium.org int num_arguments, 1061ce5e87bd905d592a8bd612b3dedf7a994177c13aager@chromium.org int result_size); 1062ce5e87bd905d592a8bd612b3dedf7a994177c13aager@chromium.org 1063ce5e87bd905d592a8bd612b3dedf7a994177c13aager@chromium.org // Convenience function: tail call a runtime routine (jump). 1064ce5e87bd905d592a8bd612b3dedf7a994177c13aager@chromium.org void TailCallRuntime(Runtime::FunctionId fid, 1065a1645e29968e70a41226edda2c49788fcea48b74ager@chromium.org int num_arguments, 1066a1645e29968e70a41226edda2c49788fcea48b74ager@chromium.org int result_size); 106743d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen 10688e8294a88dc7d58f579aee0ba08c19fc8a616e2dsgjesse@chromium.org int CalculateStackPassedWords(int num_reg_arguments, 10698e8294a88dc7d58f579aee0ba08c19fc8a616e2dsgjesse@chromium.org int num_double_arguments); 10708e8294a88dc7d58f579aee0ba08c19fc8a616e2dsgjesse@chromium.org 1071357bf65ed5309ac3a2c4bf20b6ce7770488787c2ager@chromium.org // Before calling a C-function from generated code, align arguments on stack. 1072357bf65ed5309ac3a2c4bf20b6ce7770488787c2ager@chromium.org // After aligning the frame, non-register arguments must be stored in 1073357bf65ed5309ac3a2c4bf20b6ce7770488787c2ager@chromium.org // sp[0], sp[4], etc., not pushed. The argument count assumes all arguments 10748e8294a88dc7d58f579aee0ba08c19fc8a616e2dsgjesse@chromium.org // are word sized. If double arguments are used, this function assumes that 10758e8294a88dc7d58f579aee0ba08c19fc8a616e2dsgjesse@chromium.org // all double arguments are stored before core registers; otherwise the 10768e8294a88dc7d58f579aee0ba08c19fc8a616e2dsgjesse@chromium.org // correct alignment of the double values is not guaranteed. 1077357bf65ed5309ac3a2c4bf20b6ce7770488787c2ager@chromium.org // Some compilers/platforms require the stack to be aligned when calling 1078357bf65ed5309ac3a2c4bf20b6ce7770488787c2ager@chromium.org // C++ code. 1079357bf65ed5309ac3a2c4bf20b6ce7770488787c2ager@chromium.org // Needs a scratch register to do some arithmetic. This register will be 1080357bf65ed5309ac3a2c4bf20b6ce7770488787c2ager@chromium.org // trashed. 10818e8294a88dc7d58f579aee0ba08c19fc8a616e2dsgjesse@chromium.org void PrepareCallCFunction(int num_reg_arguments, 10828e8294a88dc7d58f579aee0ba08c19fc8a616e2dsgjesse@chromium.org int num_double_registers, 10838e8294a88dc7d58f579aee0ba08c19fc8a616e2dsgjesse@chromium.org Register scratch); 10848e8294a88dc7d58f579aee0ba08c19fc8a616e2dsgjesse@chromium.org void PrepareCallCFunction(int num_reg_arguments, 10858e8294a88dc7d58f579aee0ba08c19fc8a616e2dsgjesse@chromium.org Register scratch); 10868e8294a88dc7d58f579aee0ba08c19fc8a616e2dsgjesse@chromium.org 10878e8294a88dc7d58f579aee0ba08c19fc8a616e2dsgjesse@chromium.org // There are two ways of passing double arguments on ARM, depending on 10888e8294a88dc7d58f579aee0ba08c19fc8a616e2dsgjesse@chromium.org // whether soft or hard floating point ABI is used. These functions 10898e8294a88dc7d58f579aee0ba08c19fc8a616e2dsgjesse@chromium.org // abstract parameter passing for the three different ways we call 10908e8294a88dc7d58f579aee0ba08c19fc8a616e2dsgjesse@chromium.org // C functions from generated code. 10914ddd2f1981d343a2efe6609a3e0ce6b9c80b6ed9machenbach@chromium.org void MovToFloatParameter(DwVfpRegister src); 10924ddd2f1981d343a2efe6609a3e0ce6b9c80b6ed9machenbach@chromium.org void MovToFloatParameters(DwVfpRegister src1, DwVfpRegister src2); 10934ddd2f1981d343a2efe6609a3e0ce6b9c80b6ed9machenbach@chromium.org void MovToFloatResult(DwVfpRegister src); 1094357bf65ed5309ac3a2c4bf20b6ce7770488787c2ager@chromium.org 1095357bf65ed5309ac3a2c4bf20b6ce7770488787c2ager@chromium.org // Calls a C function and cleans up the space for arguments allocated 1096357bf65ed5309ac3a2c4bf20b6ce7770488787c2ager@chromium.org // by PrepareCallCFunction. The called function is not allowed to trigger a 1097357bf65ed5309ac3a2c4bf20b6ce7770488787c2ager@chromium.org // garbage collection, since that might move the code and invalidate the 1098357bf65ed5309ac3a2c4bf20b6ce7770488787c2ager@chromium.org // return address (unless this is somehow accounted for by the called 1099357bf65ed5309ac3a2c4bf20b6ce7770488787c2ager@chromium.org // function). 1100357bf65ed5309ac3a2c4bf20b6ce7770488787c2ager@chromium.org void CallCFunction(ExternalReference function, int num_arguments); 1101c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com void CallCFunction(Register function, int num_arguments); 11028e8294a88dc7d58f579aee0ba08c19fc8a616e2dsgjesse@chromium.org void CallCFunction(ExternalReference function, 11038e8294a88dc7d58f579aee0ba08c19fc8a616e2dsgjesse@chromium.org int num_reg_arguments, 11048e8294a88dc7d58f579aee0ba08c19fc8a616e2dsgjesse@chromium.org int num_double_arguments); 1105c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com void CallCFunction(Register function, 11068e8294a88dc7d58f579aee0ba08c19fc8a616e2dsgjesse@chromium.org int num_reg_arguments, 11078e8294a88dc7d58f579aee0ba08c19fc8a616e2dsgjesse@chromium.org int num_double_arguments); 1108357bf65ed5309ac3a2c4bf20b6ce7770488787c2ager@chromium.org 11094ddd2f1981d343a2efe6609a3e0ce6b9c80b6ed9machenbach@chromium.org void MovFromFloatParameter(DwVfpRegister dst); 11104ddd2f1981d343a2efe6609a3e0ce6b9c80b6ed9machenbach@chromium.org void MovFromFloatResult(DwVfpRegister dst); 11113a5fd78f0ca6c2827bb05f69a373d152a9ce6ff3fschneider@chromium.org 1112c3b37129d6387b2db313f9100256d2d5f60dd9a8jkummerow@chromium.org // Calls an API function. Allocates HandleScope, extracts returned value 1113c3b37129d6387b2db313f9100256d2d5f60dd9a8jkummerow@chromium.org // from handle and propagates exceptions. Restores context. stack_space 11142efb900e7350b14be905abdeab077f3a64c583cfulan@chromium.org // - space to be unwound on exit (includes the call JS arguments space and 1115c3b37129d6387b2db313f9100256d2d5f60dd9a8jkummerow@chromium.org // the additional space allocated for the fast call). 1116e014e5bf9ccd6a759add3b35ba610f3a0c752a90machenbach@chromium.org void CallApiFunctionAndReturn(Register function_address, 1117b752d4061aaeb7d6a6ec368607871789d54b0207dslomov@chromium.org ExternalReference thunk_ref, 1118bf9432e3965b385e2e8df3701b710c105f5b3eb7ulan@chromium.org int stack_space, 1119528ce02b8680a3ab6d75c7079f180a4016c69b7amachenbach@chromium.org MemOperand return_value_operand, 1120528ce02b8680a3ab6d75c7079f180a4016c69b7amachenbach@chromium.org MemOperand* context_restore_operand); 112183aa54905e559090bea7771b83f188762cfcf082ricow@chromium.org 1122c514574143c1bf74d4fb6e7dccb175fe9ff2f5d3sgjesse@chromium.org // Jump to a runtime routine. 1123ce5e87bd905d592a8bd612b3dedf7a994177c13aager@chromium.org void JumpToExternalReference(const ExternalReference& builtin); 112443d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen 112543d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen // Invoke specified builtin JavaScript function. Adds an entry to 112643d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen // the unresolved list if the name does not resolve. 1127c6c5718277d4047fad1e034396228ce15571b5a4sgjesse@chromium.org void InvokeBuiltin(Builtins::JavaScript id, 11288e8294a88dc7d58f579aee0ba08c19fc8a616e2dsgjesse@chromium.org InvokeFlag flag, 1129fb144a0716afe7ab8bf245f2391a9e53b3db3c89fschneider@chromium.org const CallWrapper& call_wrapper = NullCallWrapper()); 1130b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org 1131b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org // Store the code object for the given builtin in the target register and 1132b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org // setup the function in r1. 1133b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org void GetBuiltinEntry(Register target, Builtins::JavaScript id); 113443d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen 1135145eff58d4f6ac0dcc53abb556dbf3cac6c3280aerik.corry@gmail.com // Store the function for the given builtin in the target register. 1136145eff58d4f6ac0dcc53abb556dbf3cac6c3280aerik.corry@gmail.com void GetBuiltinFunction(Register target, Builtins::JavaScript id); 1137145eff58d4f6ac0dcc53abb556dbf3cac6c3280aerik.corry@gmail.com 1138c36ce6e8979bbbd43539f0a0effc87ea20dd65cckmillikin@chromium.org Handle<Object> CodeObject() { 1139c36ce6e8979bbbd43539f0a0effc87ea20dd65cckmillikin@chromium.org ASSERT(!code_object_.is_null()); 1140c36ce6e8979bbbd43539f0a0effc87ea20dd65cckmillikin@chromium.org return code_object_; 1141c36ce6e8979bbbd43539f0a0effc87ea20dd65cckmillikin@chromium.org } 1142061ef74c9b8acd038edf4b4355c50d097c8a9683kasperl@chromium.org 114343d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen 1144763da4c1a1bd42dfafe0844b4c18f4882cc66352machenbach@chromium.org // Emit code for a truncating division by a constant. The dividend register is 1145bcc36723a2ace28fa3b0d7dd0d1de926d313fff9machenbach@chromium.org // unchanged and ip gets clobbered. Dividend and result must be different. 1146763da4c1a1bd42dfafe0844b4c18f4882cc66352machenbach@chromium.org void TruncatingDiv(Register result, Register dividend, int32_t divisor); 1147bcc36723a2ace28fa3b0d7dd0d1de926d313fff9machenbach@chromium.org 114843d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen // --------------------------------------------------------------------------- 1149a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org // StatsCounter support 1150a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org 1151a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org void SetCounter(StatsCounter* counter, int value, 1152a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org Register scratch1, Register scratch2); 1153a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org void IncrementCounter(StatsCounter* counter, int value, 1154a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org Register scratch1, Register scratch2); 1155a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org void DecrementCounter(StatsCounter* counter, int value, 1156a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org Register scratch1, Register scratch2); 1157a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org 1158a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org 1159a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org // --------------------------------------------------------------------------- 116043d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen // Debugging 116143d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen 1162378b34e3f8852e94739bb77a528278fe0e2bb532ager@chromium.org // Calls Abort(msg) if the condition cond is not satisfied. 116343d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen // Use --debug_code to enable. 1164594006017e46d82ed7146611dc12c20e3c509c7ddanno@chromium.org void Assert(Condition cond, BailoutReason reason); 11650b9f850f0e9dc624b9e0c5254393112ecc7f8bc9ricow@chromium.org void AssertFastElements(Register elements); 116643d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen 116743d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen // Like Assert(), but always enabled. 1168594006017e46d82ed7146611dc12c20e3c509c7ddanno@chromium.org void Check(Condition cond, BailoutReason reason); 116943d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen 117043d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen // Print a message to stdout and abort execution. 1171594006017e46d82ed7146611dc12c20e3c509c7ddanno@chromium.org void Abort(BailoutReason msg); 117243d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen 117343d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen // Verify restrictions about code generated in stubs. 117443d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen void set_generating_stub(bool value) { generating_stub_ = value; } 117543d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen bool generating_stub() { return generating_stub_; } 1176c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com void set_has_frame(bool value) { has_frame_ = value; } 1177c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com bool has_frame() { return has_frame_; } 1178c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com inline bool AllowThisStubCall(CodeStub* stub); 117943d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen 11808e8294a88dc7d58f579aee0ba08c19fc8a616e2dsgjesse@chromium.org // EABI variant for double arguments in use. 11818e8294a88dc7d58f579aee0ba08c19fc8a616e2dsgjesse@chromium.org bool use_eabi_hardfloat() { 1182e27d617298263725e8a48c2aa14029759b952623mstarzinger@chromium.org#ifdef __arm__ 1183e27d617298263725e8a48c2aa14029759b952623mstarzinger@chromium.org return OS::ArmUsingHardFloat(); 1184e27d617298263725e8a48c2aa14029759b952623mstarzinger@chromium.org#elif USE_EABI_HARDFLOAT 11858e8294a88dc7d58f579aee0ba08c19fc8a616e2dsgjesse@chromium.org return true; 11868e8294a88dc7d58f579aee0ba08c19fc8a616e2dsgjesse@chromium.org#else 11878e8294a88dc7d58f579aee0ba08c19fc8a616e2dsgjesse@chromium.org return false; 11888e8294a88dc7d58f579aee0ba08c19fc8a616e2dsgjesse@chromium.org#endif 11898e8294a88dc7d58f579aee0ba08c19fc8a616e2dsgjesse@chromium.org } 11908e8294a88dc7d58f579aee0ba08c19fc8a616e2dsgjesse@chromium.org 1191b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org // --------------------------------------------------------------------------- 119231b1277ec3b8cd17acb01c66d85a456159072157kmillikin@chromium.org // Number utilities 119331b1277ec3b8cd17acb01c66d85a456159072157kmillikin@chromium.org 119431b1277ec3b8cd17acb01c66d85a456159072157kmillikin@chromium.org // Check whether the value of reg is a power of two and not zero. If not 119531b1277ec3b8cd17acb01c66d85a456159072157kmillikin@chromium.org // control continues at the label not_power_of_two. If reg is a power of two 119631b1277ec3b8cd17acb01c66d85a456159072157kmillikin@chromium.org // the register scratch contains the value of (reg - 1) when control falls 119731b1277ec3b8cd17acb01c66d85a456159072157kmillikin@chromium.org // through. 119831b1277ec3b8cd17acb01c66d85a456159072157kmillikin@chromium.org void JumpIfNotPowerOfTwoOrZero(Register reg, 119931b1277ec3b8cd17acb01c66d85a456159072157kmillikin@chromium.org Register scratch, 120031b1277ec3b8cd17acb01c66d85a456159072157kmillikin@chromium.org Label* not_power_of_two_or_zero); 1201ea88ce93dcb41a9200ec8747ae7642a5db1f4ce7sgjesse@chromium.org // Check whether the value of reg is a power of two and not zero. 1202ea88ce93dcb41a9200ec8747ae7642a5db1f4ce7sgjesse@chromium.org // Control falls through if it is, with scratch containing the mask 1203ea88ce93dcb41a9200ec8747ae7642a5db1f4ce7sgjesse@chromium.org // value (reg - 1). 1204ea88ce93dcb41a9200ec8747ae7642a5db1f4ce7sgjesse@chromium.org // Otherwise control jumps to the 'zero_and_neg' label if the value of reg is 1205ea88ce93dcb41a9200ec8747ae7642a5db1f4ce7sgjesse@chromium.org // zero or negative, or jumps to the 'not_power_of_two' label if the value is 1206ea88ce93dcb41a9200ec8747ae7642a5db1f4ce7sgjesse@chromium.org // strictly positive but not a power of two. 1207ea88ce93dcb41a9200ec8747ae7642a5db1f4ce7sgjesse@chromium.org void JumpIfNotPowerOfTwoOrZeroAndNeg(Register reg, 1208ea88ce93dcb41a9200ec8747ae7642a5db1f4ce7sgjesse@chromium.org Register scratch, 1209ea88ce93dcb41a9200ec8747ae7642a5db1f4ce7sgjesse@chromium.org Label* zero_and_neg, 1210ea88ce93dcb41a9200ec8747ae7642a5db1f4ce7sgjesse@chromium.org Label* not_power_of_two); 121131b1277ec3b8cd17acb01c66d85a456159072157kmillikin@chromium.org 121231b1277ec3b8cd17acb01c66d85a456159072157kmillikin@chromium.org // --------------------------------------------------------------------------- 12135c838251403b0be9a882540f1922577abba4c872ager@chromium.org // Smi utilities 12145c838251403b0be9a882540f1922577abba4c872ager@chromium.org 1215a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org void SmiTag(Register reg, SBit s = LeaveCC) { 1216a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org add(reg, reg, Operand(reg), s); 1217a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org } 1218378b34e3f8852e94739bb77a528278fe0e2bb532ager@chromium.org void SmiTag(Register dst, Register src, SBit s = LeaveCC) { 1219378b34e3f8852e94739bb77a528278fe0e2bb532ager@chromium.org add(dst, src, Operand(src), s); 1220378b34e3f8852e94739bb77a528278fe0e2bb532ager@chromium.org } 1221a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org 1222c6c5718277d4047fad1e034396228ce15571b5a4sgjesse@chromium.org // Try to convert int32 to smi. If the value is to large, preserve 1223c6c5718277d4047fad1e034396228ce15571b5a4sgjesse@chromium.org // the original value and jump to not_a_smi. Destroys scratch and 1224c6c5718277d4047fad1e034396228ce15571b5a4sgjesse@chromium.org // sets flags. 1225bf9432e3965b385e2e8df3701b710c105f5b3eb7ulan@chromium.org void TrySmiTag(Register reg, Label* not_a_smi) { 1226bf9432e3965b385e2e8df3701b710c105f5b3eb7ulan@chromium.org TrySmiTag(reg, reg, not_a_smi); 1227bf9432e3965b385e2e8df3701b710c105f5b3eb7ulan@chromium.org } 1228bf9432e3965b385e2e8df3701b710c105f5b3eb7ulan@chromium.org void TrySmiTag(Register reg, Register src, Label* not_a_smi) { 1229bf9432e3965b385e2e8df3701b710c105f5b3eb7ulan@chromium.org SmiTag(ip, src, SetCC); 1230c6c5718277d4047fad1e034396228ce15571b5a4sgjesse@chromium.org b(vs, not_a_smi); 1231bf9432e3965b385e2e8df3701b710c105f5b3eb7ulan@chromium.org mov(reg, ip); 1232c6c5718277d4047fad1e034396228ce15571b5a4sgjesse@chromium.org } 1233c6c5718277d4047fad1e034396228ce15571b5a4sgjesse@chromium.org 1234bf9432e3965b385e2e8df3701b710c105f5b3eb7ulan@chromium.org 12359ee27ae43ab88e9bb6417ff9e27af64e0cf13729ager@chromium.org void SmiUntag(Register reg, SBit s = LeaveCC) { 1236bf9432e3965b385e2e8df3701b710c105f5b3eb7ulan@chromium.org mov(reg, Operand::SmiUntag(reg), s); 1237a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org } 12389ee27ae43ab88e9bb6417ff9e27af64e0cf13729ager@chromium.org void SmiUntag(Register dst, Register src, SBit s = LeaveCC) { 1239bf9432e3965b385e2e8df3701b710c105f5b3eb7ulan@chromium.org mov(dst, Operand::SmiUntag(src), s); 1240378b34e3f8852e94739bb77a528278fe0e2bb532ager@chromium.org } 1241a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org 1242fa458e413c3e5b8d479e49258d060b7bb4567c57danno@chromium.org // Untag the source value into destination and jump if source is a smi. 1243fa458e413c3e5b8d479e49258d060b7bb4567c57danno@chromium.org // Souce and destination can be the same register. 1244fa458e413c3e5b8d479e49258d060b7bb4567c57danno@chromium.org void UntagAndJumpIfSmi(Register dst, Register src, Label* smi_case); 1245fa458e413c3e5b8d479e49258d060b7bb4567c57danno@chromium.org 1246fa458e413c3e5b8d479e49258d060b7bb4567c57danno@chromium.org // Untag the source value into destination and jump if source is not a smi. 1247fa458e413c3e5b8d479e49258d060b7bb4567c57danno@chromium.org // Souce and destination can be the same register. 1248fa458e413c3e5b8d479e49258d060b7bb4567c57danno@chromium.org void UntagAndJumpIfNotSmi(Register dst, Register src, Label* non_smi_case); 1249fa458e413c3e5b8d479e49258d060b7bb4567c57danno@chromium.org 1250bf9432e3965b385e2e8df3701b710c105f5b3eb7ulan@chromium.org // Test if the register contains a smi (Z == 0 (eq) if true). 1251bf9432e3965b385e2e8df3701b710c105f5b3eb7ulan@chromium.org inline void SmiTst(Register value) { 1252bf9432e3965b385e2e8df3701b710c105f5b3eb7ulan@chromium.org tst(value, Operand(kSmiTagMask)); 1253bf9432e3965b385e2e8df3701b710c105f5b3eb7ulan@chromium.org } 1254bf9432e3965b385e2e8df3701b710c105f5b3eb7ulan@chromium.org inline void NonNegativeSmiTst(Register value) { 1255bf9432e3965b385e2e8df3701b710c105f5b3eb7ulan@chromium.org tst(value, Operand(kSmiTagMask | kSmiSignMask)); 1256bf9432e3965b385e2e8df3701b710c105f5b3eb7ulan@chromium.org } 1257e4ac3ef2f6fa9300bc78c5a4cb7d4cb66ac6e83dmvstanton@chromium.org // Jump if the register contains a smi. 1258378b34e3f8852e94739bb77a528278fe0e2bb532ager@chromium.org inline void JumpIfSmi(Register value, Label* smi_label) { 1259378b34e3f8852e94739bb77a528278fe0e2bb532ager@chromium.org tst(value, Operand(kSmiTagMask)); 1260378b34e3f8852e94739bb77a528278fe0e2bb532ager@chromium.org b(eq, smi_label); 1261378b34e3f8852e94739bb77a528278fe0e2bb532ager@chromium.org } 1262378b34e3f8852e94739bb77a528278fe0e2bb532ager@chromium.org // Jump if either of the registers contain a non-smi. 1263378b34e3f8852e94739bb77a528278fe0e2bb532ager@chromium.org inline void JumpIfNotSmi(Register value, Label* not_smi_label) { 1264378b34e3f8852e94739bb77a528278fe0e2bb532ager@chromium.org tst(value, Operand(kSmiTagMask)); 1265378b34e3f8852e94739bb77a528278fe0e2bb532ager@chromium.org b(ne, not_smi_label); 1266378b34e3f8852e94739bb77a528278fe0e2bb532ager@chromium.org } 12675c838251403b0be9a882540f1922577abba4c872ager@chromium.org // Jump if either of the registers contain a non-smi. 12685c838251403b0be9a882540f1922577abba4c872ager@chromium.org void JumpIfNotBothSmi(Register reg1, Register reg2, Label* on_not_both_smi); 12695c838251403b0be9a882540f1922577abba4c872ager@chromium.org // Jump if either of the registers contain a smi. 12705c838251403b0be9a882540f1922577abba4c872ager@chromium.org void JumpIfEitherSmi(Register reg1, Register reg2, Label* on_either_smi); 12715c838251403b0be9a882540f1922577abba4c872ager@chromium.org 1272c859c4f83f6ec3e010213dbbe447cc1f927d01c5svenpanne@chromium.org // Abort execution if argument is a smi, enabled via --debug-code. 1273c859c4f83f6ec3e010213dbbe447cc1f927d01c5svenpanne@chromium.org void AssertNotSmi(Register object); 1274c859c4f83f6ec3e010213dbbe447cc1f927d01c5svenpanne@chromium.org void AssertSmi(Register object); 1275ea4f62e1df22417fc8dc2c2425485dca98b13d07ager@chromium.org 1276750145ab1b720c97adf2b548cc8fbd28c8b8e06dulan@chromium.org // Abort execution if argument is not a string, enabled via --debug-code. 1277c859c4f83f6ec3e010213dbbe447cc1f927d01c5svenpanne@chromium.org void AssertString(Register object); 127849edbdf52640c88918f8e6638ab4965819eb1dfekmillikin@chromium.org 1279750145ab1b720c97adf2b548cc8fbd28c8b8e06dulan@chromium.org // Abort execution if argument is not a name, enabled via --debug-code. 1280750145ab1b720c97adf2b548cc8fbd28c8b8e06dulan@chromium.org void AssertName(Register object); 1281750145ab1b720c97adf2b548cc8fbd28c8b8e06dulan@chromium.org 12822904d1a42292be3056c2dd3f98822f8e1470fa72machenbach@chromium.org // Abort execution if argument is not undefined or an AllocationSite, enabled 12832904d1a42292be3056c2dd3f98822f8e1470fa72machenbach@chromium.org // via --debug-code. 12842904d1a42292be3056c2dd3f98822f8e1470fa72machenbach@chromium.org void AssertUndefinedOrAllocationSite(Register object, Register scratch); 12852904d1a42292be3056c2dd3f98822f8e1470fa72machenbach@chromium.org 128632d7dbafe29be06cec1edd36c31fbe2865c799f4ulan@chromium.org // Abort execution if reg is not the root value with the given index, 1287c859c4f83f6ec3e010213dbbe447cc1f927d01c5svenpanne@chromium.org // enabled via --debug-code. 128832d7dbafe29be06cec1edd36c31fbe2865c799f4ulan@chromium.org void AssertIsRoot(Register reg, Heap::RootListIndex index); 128983aa54905e559090bea7771b83f188762cfcf082ricow@chromium.org 12905c838251403b0be9a882540f1922577abba4c872ager@chromium.org // --------------------------------------------------------------------------- 1291378b34e3f8852e94739bb77a528278fe0e2bb532ager@chromium.org // HeapNumber utilities 1292378b34e3f8852e94739bb77a528278fe0e2bb532ager@chromium.org 1293378b34e3f8852e94739bb77a528278fe0e2bb532ager@chromium.org void JumpIfNotHeapNumber(Register object, 1294378b34e3f8852e94739bb77a528278fe0e2bb532ager@chromium.org Register heap_number_map, 1295378b34e3f8852e94739bb77a528278fe0e2bb532ager@chromium.org Register scratch, 1296378b34e3f8852e94739bb77a528278fe0e2bb532ager@chromium.org Label* on_not_heap_number); 1297378b34e3f8852e94739bb77a528278fe0e2bb532ager@chromium.org 1298378b34e3f8852e94739bb77a528278fe0e2bb532ager@chromium.org // --------------------------------------------------------------------------- 1299b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org // String utilities 1300b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org 1301528ce02b8680a3ab6d75c7079f180a4016c69b7amachenbach@chromium.org // Generate code to do a lookup in the number string cache. If the number in 1302528ce02b8680a3ab6d75c7079f180a4016c69b7amachenbach@chromium.org // the register object is found in the cache the generated code falls through 1303528ce02b8680a3ab6d75c7079f180a4016c69b7amachenbach@chromium.org // with the result in the result register. The object and the result register 1304528ce02b8680a3ab6d75c7079f180a4016c69b7amachenbach@chromium.org // can be the same. If the number is not found in the cache the code jumps to 1305528ce02b8680a3ab6d75c7079f180a4016c69b7amachenbach@chromium.org // the label not_found with only the content of register object unchanged. 1306528ce02b8680a3ab6d75c7079f180a4016c69b7amachenbach@chromium.org void LookupNumberStringCache(Register object, 1307528ce02b8680a3ab6d75c7079f180a4016c69b7amachenbach@chromium.org Register result, 1308528ce02b8680a3ab6d75c7079f180a4016c69b7amachenbach@chromium.org Register scratch1, 1309528ce02b8680a3ab6d75c7079f180a4016c69b7amachenbach@chromium.org Register scratch2, 1310528ce02b8680a3ab6d75c7079f180a4016c69b7amachenbach@chromium.org Register scratch3, 1311528ce02b8680a3ab6d75c7079f180a4016c69b7amachenbach@chromium.org Label* not_found); 1312528ce02b8680a3ab6d75c7079f180a4016c69b7amachenbach@chromium.org 1313b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org // Checks if both objects are sequential ASCII strings and jumps to label 1314b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org // if either is not. Assumes that neither object is a smi. 1315b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org void JumpIfNonSmisNotBothSequentialAsciiStrings(Register object1, 1316b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org Register object2, 1317b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org Register scratch1, 1318b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org Register scratch2, 1319cec079d8ed1f0920a0ea3dc9a3e81966013287c1whesse@chromium.org Label* failure); 1320b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org 1321b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org // Checks if both objects are sequential ASCII strings and jumps to label 1322b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org // if either is not. 1323b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org void JumpIfNotBothSequentialAsciiStrings(Register first, 1324b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org Register second, 1325b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org Register scratch1, 1326b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org Register scratch2, 1327b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org Label* not_flat_ascii_strings); 1328b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org 1329ce5e87bd905d592a8bd612b3dedf7a994177c13aager@chromium.org // Checks if both instance types are sequential ASCII strings and jumps to 1330ce5e87bd905d592a8bd612b3dedf7a994177c13aager@chromium.org // label if either is not. 1331ce5e87bd905d592a8bd612b3dedf7a994177c13aager@chromium.org void JumpIfBothInstanceTypesAreNotSequentialAscii( 1332ce5e87bd905d592a8bd612b3dedf7a994177c13aager@chromium.org Register first_object_instance_type, 1333ce5e87bd905d592a8bd612b3dedf7a994177c13aager@chromium.org Register second_object_instance_type, 1334ce5e87bd905d592a8bd612b3dedf7a994177c13aager@chromium.org Register scratch1, 1335ce5e87bd905d592a8bd612b3dedf7a994177c13aager@chromium.org Register scratch2, 1336ce5e87bd905d592a8bd612b3dedf7a994177c13aager@chromium.org Label* failure); 1337ce5e87bd905d592a8bd612b3dedf7a994177c13aager@chromium.org 1338ce5e87bd905d592a8bd612b3dedf7a994177c13aager@chromium.org // Check if instance type is sequential ASCII string and jump to label if 1339ce5e87bd905d592a8bd612b3dedf7a994177c13aager@chromium.org // it is not. 1340ce5e87bd905d592a8bd612b3dedf7a994177c13aager@chromium.org void JumpIfInstanceTypeIsNotSequentialAscii(Register type, 1341ce5e87bd905d592a8bd612b3dedf7a994177c13aager@chromium.org Register scratch, 1342ce5e87bd905d592a8bd612b3dedf7a994177c13aager@chromium.org Label* failure); 1343ce5e87bd905d592a8bd612b3dedf7a994177c13aager@chromium.org 13441510d58cbcf57c82a10e7d390bfe21a7ae68ba43mstarzinger@chromium.org void JumpIfNotUniqueName(Register reg, Label* not_unique_name); 1345ce5e87bd905d592a8bd612b3dedf7a994177c13aager@chromium.org 13469af454f6b1c6a921ac79ba0b9a979c73adb2ca1emachenbach@chromium.org void EmitSeqStringSetCharCheck(Register string, 13479af454f6b1c6a921ac79ba0b9a979c73adb2ca1emachenbach@chromium.org Register index, 13489af454f6b1c6a921ac79ba0b9a979c73adb2ca1emachenbach@chromium.org Register value, 13499af454f6b1c6a921ac79ba0b9a979c73adb2ca1emachenbach@chromium.org uint32_t encoding_mask); 13509af454f6b1c6a921ac79ba0b9a979c73adb2ca1emachenbach@chromium.org 13510a4e901cdfb5505a896d30aa8c2e04fce0fbe069vegorov@chromium.org // --------------------------------------------------------------------------- 13520a4e901cdfb5505a896d30aa8c2e04fce0fbe069vegorov@chromium.org // Patching helpers. 13530a4e901cdfb5505a896d30aa8c2e04fce0fbe069vegorov@chromium.org 13540a4e901cdfb5505a896d30aa8c2e04fce0fbe069vegorov@chromium.org // Get the location of a relocated constant (its address in the constant pool) 13550a4e901cdfb5505a896d30aa8c2e04fce0fbe069vegorov@chromium.org // from its load site. 13560a4e901cdfb5505a896d30aa8c2e04fce0fbe069vegorov@chromium.org void GetRelocatedValueLocation(Register ldr_location, 13570a4e901cdfb5505a896d30aa8c2e04fce0fbe069vegorov@chromium.org Register result); 13580a4e901cdfb5505a896d30aa8c2e04fce0fbe069vegorov@chromium.org 13590a4e901cdfb5505a896d30aa8c2e04fce0fbe069vegorov@chromium.org 1360c53e10d01c5495df3896b9d318910b58688c6929kmillikin@chromium.org void ClampUint8(Register output_reg, Register input_reg); 1361c53e10d01c5495df3896b9d318910b58688c6929kmillikin@chromium.org 1362c53e10d01c5495df3896b9d318910b58688c6929kmillikin@chromium.org void ClampDoubleToUint8(Register result_reg, 1363a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org DwVfpRegister input_reg, 1364fb732b17922ea75830be4db6b80534c4827d8a55jkummerow@chromium.org LowDwVfpRegister double_scratch); 1365c53e10d01c5495df3896b9d318910b58688c6929kmillikin@chromium.org 1366c53e10d01c5495df3896b9d318910b58688c6929kmillikin@chromium.org 136789e18f5599cb4cd462cb1ed324addd7388fb4d60rossberg@chromium.org void LoadInstanceDescriptors(Register map, Register descriptors); 1368355cfd19c23ac613f2738a40e356ea48297f7d5eyangguo@chromium.org void EnumLength(Register dst, Register map); 136906ab2ec756e44eeaf7500b9794f9d2abc79dc8cfverwaest@chromium.org void NumberOfOwnDescriptors(Register dst, Register map); 137006ab2ec756e44eeaf7500b9794f9d2abc79dc8cfverwaest@chromium.org 137106ab2ec756e44eeaf7500b9794f9d2abc79dc8cfverwaest@chromium.org template<typename Field> 1372011a81ffd5df0e081e7c00ef430b2fec5079bf2amachenbach@chromium.org void DecodeField(Register dst, Register src) { 1373d06b9264b1c886fc80a100e9915cf8ae07fdb4e5machenbach@chromium.org Ubfx(dst, src, Field::kShift, Field::kSize); 1374d06b9264b1c886fc80a100e9915cf8ae07fdb4e5machenbach@chromium.org } 1375d06b9264b1c886fc80a100e9915cf8ae07fdb4e5machenbach@chromium.org 1376d06b9264b1c886fc80a100e9915cf8ae07fdb4e5machenbach@chromium.org template<typename Field> 1377d06b9264b1c886fc80a100e9915cf8ae07fdb4e5machenbach@chromium.org void DecodeField(Register reg) { 1378d06b9264b1c886fc80a100e9915cf8ae07fdb4e5machenbach@chromium.org DecodeField<Field>(reg, reg); 1379d06b9264b1c886fc80a100e9915cf8ae07fdb4e5machenbach@chromium.org } 1380d06b9264b1c886fc80a100e9915cf8ae07fdb4e5machenbach@chromium.org 1381d06b9264b1c886fc80a100e9915cf8ae07fdb4e5machenbach@chromium.org template<typename Field> 1382d06b9264b1c886fc80a100e9915cf8ae07fdb4e5machenbach@chromium.org void DecodeFieldToSmi(Register dst, Register src) { 138306ab2ec756e44eeaf7500b9794f9d2abc79dc8cfverwaest@chromium.org static const int shift = Field::kShift; 1384d06b9264b1c886fc80a100e9915cf8ae07fdb4e5machenbach@chromium.org static const int mask = Field::kMask >> shift << kSmiTagSize; 1385d06b9264b1c886fc80a100e9915cf8ae07fdb4e5machenbach@chromium.org STATIC_ASSERT((mask & (0x80000000u >> (kSmiTagSize - 1))) == 0); 1386d06b9264b1c886fc80a100e9915cf8ae07fdb4e5machenbach@chromium.org STATIC_ASSERT(kSmiTag == 0); 1387d06b9264b1c886fc80a100e9915cf8ae07fdb4e5machenbach@chromium.org if (shift < kSmiTagSize) { 1388d06b9264b1c886fc80a100e9915cf8ae07fdb4e5machenbach@chromium.org mov(dst, Operand(src, LSL, kSmiTagSize - shift)); 1389d06b9264b1c886fc80a100e9915cf8ae07fdb4e5machenbach@chromium.org and_(dst, dst, Operand(mask)); 1390d06b9264b1c886fc80a100e9915cf8ae07fdb4e5machenbach@chromium.org } else if (shift > kSmiTagSize) { 1391d06b9264b1c886fc80a100e9915cf8ae07fdb4e5machenbach@chromium.org mov(dst, Operand(src, LSR, shift - kSmiTagSize)); 1392011a81ffd5df0e081e7c00ef430b2fec5079bf2amachenbach@chromium.org and_(dst, dst, Operand(mask)); 1393d06b9264b1c886fc80a100e9915cf8ae07fdb4e5machenbach@chromium.org } else { 1394d06b9264b1c886fc80a100e9915cf8ae07fdb4e5machenbach@chromium.org and_(dst, src, Operand(mask)); 1395011a81ffd5df0e081e7c00ef430b2fec5079bf2amachenbach@chromium.org } 1396011a81ffd5df0e081e7c00ef430b2fec5079bf2amachenbach@chromium.org } 1397011a81ffd5df0e081e7c00ef430b2fec5079bf2amachenbach@chromium.org 1398011a81ffd5df0e081e7c00ef430b2fec5079bf2amachenbach@chromium.org template<typename Field> 1399d06b9264b1c886fc80a100e9915cf8ae07fdb4e5machenbach@chromium.org void DecodeFieldToSmi(Register reg) { 1400011a81ffd5df0e081e7c00ef430b2fec5079bf2amachenbach@chromium.org DecodeField<Field>(reg, reg); 140106ab2ec756e44eeaf7500b9794f9d2abc79dc8cfverwaest@chromium.org } 140240cb878ef373bea9bdf7998829891e4096751dd0danno@chromium.org 1403c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com // Activation support. 140497b98c9169c85693801d4d59089450695ad82e2dmachenbach@chromium.org void EnterFrame(StackFrame::Type type, bool load_constant_pool = false); 14059ca3017c616a778baff6d57c68d6d4746a130036ulan@chromium.org // Returns the pc offset at which the frame ends. 14069ca3017c616a778baff6d57c68d6d4746a130036ulan@chromium.org int LeaveFrame(StackFrame::Type type); 1407c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com 1408be6bd10d8264b7a05e0a04407eb98b253bc0f152kmillikin@chromium.org // Expects object in r0 and returns map with validated enum cache 1409be6bd10d8264b7a05e0a04407eb98b253bc0f152kmillikin@chromium.org // in r0. Assumes that any other register can be used as a scratch. 1410be6bd10d8264b7a05e0a04407eb98b253bc0f152kmillikin@chromium.org void CheckEnumCache(Register null_value, Label* call_runtime); 1411be6bd10d8264b7a05e0a04407eb98b253bc0f152kmillikin@chromium.org 1412ba72ec861b69b67139c93fc6dd56f4a73c9b3135jkummerow@chromium.org // AllocationMemento support. Arrays may have an associated 1413ba72ec861b69b67139c93fc6dd56f4a73c9b3135jkummerow@chromium.org // AllocationMemento object that can be checked for in order to pretransition 141459297c735ad2a41156ae9c723a39ff259ad061e0jkummerow@chromium.org // to another type. 141559297c735ad2a41156ae9c723a39ff259ad061e0jkummerow@chromium.org // On entry, receiver_reg should point to the array object. 141659297c735ad2a41156ae9c723a39ff259ad061e0jkummerow@chromium.org // scratch_reg gets clobbered. 1417b4968bea48ba224f54110f626278e2c04649dd5bmstarzinger@chromium.org // If allocation info is present, condition flags are set to eq. 1418ba72ec861b69b67139c93fc6dd56f4a73c9b3135jkummerow@chromium.org void TestJSArrayForAllocationMemento(Register receiver_reg, 1419b4968bea48ba224f54110f626278e2c04649dd5bmstarzinger@chromium.org Register scratch_reg, 1420b4968bea48ba224f54110f626278e2c04649dd5bmstarzinger@chromium.org Label* no_memento_found); 1421b4968bea48ba224f54110f626278e2c04649dd5bmstarzinger@chromium.org 1422b4968bea48ba224f54110f626278e2c04649dd5bmstarzinger@chromium.org void JumpIfJSArrayHasAllocationMemento(Register receiver_reg, 1423b4968bea48ba224f54110f626278e2c04649dd5bmstarzinger@chromium.org Register scratch_reg, 1424b4968bea48ba224f54110f626278e2c04649dd5bmstarzinger@chromium.org Label* memento_found) { 1425b4968bea48ba224f54110f626278e2c04649dd5bmstarzinger@chromium.org Label no_memento_found; 1426b4968bea48ba224f54110f626278e2c04649dd5bmstarzinger@chromium.org TestJSArrayForAllocationMemento(receiver_reg, scratch_reg, 1427b4968bea48ba224f54110f626278e2c04649dd5bmstarzinger@chromium.org &no_memento_found); 1428b4968bea48ba224f54110f626278e2c04649dd5bmstarzinger@chromium.org b(eq, memento_found); 1429b4968bea48ba224f54110f626278e2c04649dd5bmstarzinger@chromium.org bind(&no_memento_found); 1430b4968bea48ba224f54110f626278e2c04649dd5bmstarzinger@chromium.org } 143159297c735ad2a41156ae9c723a39ff259ad061e0jkummerow@chromium.org 1432e8412be858dc48afaec4959e42c5932f71a7f29bmachenbach@chromium.org // Jumps to found label if a prototype map has dictionary elements. 1433e8412be858dc48afaec4959e42c5932f71a7f29bmachenbach@chromium.org void JumpIfDictionaryInPrototypeChain(Register object, Register scratch0, 1434e8412be858dc48afaec4959e42c5932f71a7f29bmachenbach@chromium.org Register scratch1, Label* found); 1435e8412be858dc48afaec4959e42c5932f71a7f29bmachenbach@chromium.org 143643d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen private: 1437ea88ce93dcb41a9200ec8747ae7642a5db1f4ce7sgjesse@chromium.org void CallCFunctionHelper(Register function, 14388e8294a88dc7d58f579aee0ba08c19fc8a616e2dsgjesse@chromium.org int num_reg_arguments, 14398e8294a88dc7d58f579aee0ba08c19fc8a616e2dsgjesse@chromium.org int num_double_arguments); 1440ea88ce93dcb41a9200ec8747ae7642a5db1f4ce7sgjesse@chromium.org 14415c838251403b0be9a882540f1922577abba4c872ager@chromium.org void Jump(intptr_t target, RelocInfo::Mode rmode, Condition cond = al); 1442b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org 1443b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org // Helper functions for generating invokes. 1444b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org void InvokePrologue(const ParameterCount& expected, 1445b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org const ParameterCount& actual, 1446b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org Handle<Code> code_constant, 1447b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org Register code_reg, 1448b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org Label* done, 14492efb900e7350b14be905abdeab077f3a64c583cfulan@chromium.org bool* definitely_mismatches, 1450c6c5718277d4047fad1e034396228ce15571b5a4sgjesse@chromium.org InvokeFlag flag, 1451e31286d471eb2e656a1809383fa16b76053dd673machenbach@chromium.org const CallWrapper& call_wrapper); 1452b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org 1453ac091b7d178f1853ede4a5cba58e767e6adf7d96ager@chromium.org void InitializeNewString(Register string, 1454ac091b7d178f1853ede4a5cba58e767e6adf7d96ager@chromium.org Register length, 1455ac091b7d178f1853ede4a5cba58e767e6adf7d96ager@chromium.org Heap::RootListIndex map_index, 1456ac091b7d178f1853ede4a5cba58e767e6adf7d96ager@chromium.org Register scratch1, 1457ac091b7d178f1853ede4a5cba58e767e6adf7d96ager@chromium.org Register scratch2); 1458ac091b7d178f1853ede4a5cba58e767e6adf7d96ager@chromium.org 1459c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com // Helper for implementing JumpIfNotInNewSpace and JumpIfInNewSpace. 1460c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com void InNewSpace(Register object, 1461c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com Register scratch, 1462c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com Condition cond, // eq for new space, ne otherwise. 1463c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com Label* branch); 1464c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com 1465c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com // Helper for finding the mark bits for an address. Afterwards, the 1466c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com // bitmap register points at the word with the mark bits and the mask 1467c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com // the position of the first bit. Leaves addr_reg unchanged. 1468c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com inline void GetMarkBits(Register addr_reg, 1469c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com Register bitmap_reg, 1470c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com Register mask_reg); 1471c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com 147204e4f1e9e1291ac270e1cb7d8384b2af2fd2d685jkummerow@chromium.org // Helper for throwing exceptions. Compute a handler address and jump to 147304e4f1e9e1291ac270e1cb7d8384b2af2fd2d685jkummerow@chromium.org // it. See the implementation for register usage. 147404e4f1e9e1291ac270e1cb7d8384b2af2fd2d685jkummerow@chromium.org void JumpToHandlerEntry(); 147504e4f1e9e1291ac270e1cb7d8384b2af2fd2d685jkummerow@chromium.org 14763a5fd78f0ca6c2827bb05f69a373d152a9ce6ff3fschneider@chromium.org // Compute memory operands for safepoint stack slots. 14773a5fd78f0ca6c2827bb05f69a373d152a9ce6ff3fschneider@chromium.org static int SafepointRegisterStackIndex(int reg_code); 14783a5fd78f0ca6c2827bb05f69a373d152a9ce6ff3fschneider@chromium.org MemOperand SafepointRegisterSlot(Register reg); 14793a5fd78f0ca6c2827bb05f69a373d152a9ce6ff3fschneider@chromium.org MemOperand SafepointRegistersAndDoublesSlot(Register reg); 14803a5fd78f0ca6c2827bb05f69a373d152a9ce6ff3fschneider@chromium.org 148197b98c9169c85693801d4d59089450695ad82e2dmachenbach@chromium.org // Loads the constant pool pointer (pp) register. 148297b98c9169c85693801d4d59089450695ad82e2dmachenbach@chromium.org void LoadConstantPoolPointerRegister(); 148397b98c9169c85693801d4d59089450695ad82e2dmachenbach@chromium.org 14845c838251403b0be9a882540f1922577abba4c872ager@chromium.org bool generating_stub_; 1485c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com bool has_frame_; 14865c838251403b0be9a882540f1922577abba4c872ager@chromium.org // This handle will be patched with the code object on installation. 14875c838251403b0be9a882540f1922577abba4c872ager@chromium.org Handle<Object> code_object_; 14883a5fd78f0ca6c2827bb05f69a373d152a9ce6ff3fschneider@chromium.org 1489a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org // Needs access to SafepointRegisterStackIndex for compiled frame 14903a5fd78f0ca6c2827bb05f69a373d152a9ce6ff3fschneider@chromium.org // traversal. 1491a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org friend class StandardFrame; 149243d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen}; 149343d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen 149443d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen 14954af710e493dc8583f3b7b7ce65127ad4e7c3f8a1ager@chromium.org// The code patcher is used to patch (typically) small parts of code e.g. for 14964af710e493dc8583f3b7b7ce65127ad4e7c3f8a1ager@chromium.org// debugging and other types of instrumentation. When using the code patcher 14974af710e493dc8583f3b7b7ce65127ad4e7c3f8a1ager@chromium.org// the exact number of bytes specified must be emitted. It is not legal to emit 14984af710e493dc8583f3b7b7ce65127ad4e7c3f8a1ager@chromium.org// relocation information. If any of these constraints are violated it causes 14994af710e493dc8583f3b7b7ce65127ad4e7c3f8a1ager@chromium.org// an assertion to fail. 15004af710e493dc8583f3b7b7ce65127ad4e7c3f8a1ager@chromium.orgclass CodePatcher { 15014af710e493dc8583f3b7b7ce65127ad4e7c3f8a1ager@chromium.org public: 15024a35c5a501e5b966f895ddea8e19c3ca232cb23fdslomov@chromium.org enum FlushICache { 15034a35c5a501e5b966f895ddea8e19c3ca232cb23fdslomov@chromium.org FLUSH, 15044a35c5a501e5b966f895ddea8e19c3ca232cb23fdslomov@chromium.org DONT_FLUSH 15054a35c5a501e5b966f895ddea8e19c3ca232cb23fdslomov@chromium.org }; 15064a35c5a501e5b966f895ddea8e19c3ca232cb23fdslomov@chromium.org 15074a35c5a501e5b966f895ddea8e19c3ca232cb23fdslomov@chromium.org CodePatcher(byte* address, 15084a35c5a501e5b966f895ddea8e19c3ca232cb23fdslomov@chromium.org int instructions, 15094a35c5a501e5b966f895ddea8e19c3ca232cb23fdslomov@chromium.org FlushICache flush_cache = FLUSH); 15104af710e493dc8583f3b7b7ce65127ad4e7c3f8a1ager@chromium.org virtual ~CodePatcher(); 15114af710e493dc8583f3b7b7ce65127ad4e7c3f8a1ager@chromium.org 15124af710e493dc8583f3b7b7ce65127ad4e7c3f8a1ager@chromium.org // Macro assembler to emit code. 15134af710e493dc8583f3b7b7ce65127ad4e7c3f8a1ager@chromium.org MacroAssembler* masm() { return &masm_; } 15144af710e493dc8583f3b7b7ce65127ad4e7c3f8a1ager@chromium.org 15154af710e493dc8583f3b7b7ce65127ad4e7c3f8a1ager@chromium.org // Emit an instruction directly. 1516496c03a64f12710e837204e261ef155601247895sgjesse@chromium.org void Emit(Instr instr); 15174af710e493dc8583f3b7b7ce65127ad4e7c3f8a1ager@chromium.org 15184af710e493dc8583f3b7b7ce65127ad4e7c3f8a1ager@chromium.org // Emit an address directly. 15194af710e493dc8583f3b7b7ce65127ad4e7c3f8a1ager@chromium.org void Emit(Address addr); 15204af710e493dc8583f3b7b7ce65127ad4e7c3f8a1ager@chromium.org 1521496c03a64f12710e837204e261ef155601247895sgjesse@chromium.org // Emit the condition part of an instruction leaving the rest of the current 1522496c03a64f12710e837204e261ef155601247895sgjesse@chromium.org // instruction unchanged. 1523496c03a64f12710e837204e261ef155601247895sgjesse@chromium.org void EmitCondition(Condition cond); 1524496c03a64f12710e837204e261ef155601247895sgjesse@chromium.org 15254af710e493dc8583f3b7b7ce65127ad4e7c3f8a1ager@chromium.org private: 15264af710e493dc8583f3b7b7ce65127ad4e7c3f8a1ager@chromium.org byte* address_; // The address of the code being patched. 15274af710e493dc8583f3b7b7ce65127ad4e7c3f8a1ager@chromium.org int size_; // Number of bytes of the expected patch size. 15284af710e493dc8583f3b7b7ce65127ad4e7c3f8a1ager@chromium.org MacroAssembler masm_; // Macro assembler used to generate the code. 15294a35c5a501e5b966f895ddea8e19c3ca232cb23fdslomov@chromium.org FlushICache flush_cache_; // Whether to flush the I cache after patching. 15304af710e493dc8583f3b7b7ce65127ad4e7c3f8a1ager@chromium.org}; 15314af710e493dc8583f3b7b7ce65127ad4e7c3f8a1ager@chromium.org 15324af710e493dc8583f3b7b7ce65127ad4e7c3f8a1ager@chromium.org 153397b98c9169c85693801d4d59089450695ad82e2dmachenbach@chromium.orgclass FrameAndConstantPoolScope { 153497b98c9169c85693801d4d59089450695ad82e2dmachenbach@chromium.org public: 153597b98c9169c85693801d4d59089450695ad82e2dmachenbach@chromium.org FrameAndConstantPoolScope(MacroAssembler* masm, StackFrame::Type type) 153697b98c9169c85693801d4d59089450695ad82e2dmachenbach@chromium.org : masm_(masm), 153797b98c9169c85693801d4d59089450695ad82e2dmachenbach@chromium.org type_(type), 153897b98c9169c85693801d4d59089450695ad82e2dmachenbach@chromium.org old_has_frame_(masm->has_frame()), 153997b98c9169c85693801d4d59089450695ad82e2dmachenbach@chromium.org old_constant_pool_available_(masm->is_constant_pool_available()) { 1540ed1a63112185152bc10fbd02418393804a5fcf04machenbach@chromium.org // We only want to enable constant pool access for non-manual frame scopes 1541ed1a63112185152bc10fbd02418393804a5fcf04machenbach@chromium.org // to ensure the constant pool pointer is valid throughout the scope. 1542ed1a63112185152bc10fbd02418393804a5fcf04machenbach@chromium.org ASSERT(type_ != StackFrame::MANUAL && type_ != StackFrame::NONE); 154397b98c9169c85693801d4d59089450695ad82e2dmachenbach@chromium.org masm->set_has_frame(true); 154497b98c9169c85693801d4d59089450695ad82e2dmachenbach@chromium.org masm->set_constant_pool_available(true); 1545ed1a63112185152bc10fbd02418393804a5fcf04machenbach@chromium.org masm->EnterFrame(type, !old_constant_pool_available_); 154697b98c9169c85693801d4d59089450695ad82e2dmachenbach@chromium.org } 154797b98c9169c85693801d4d59089450695ad82e2dmachenbach@chromium.org 154897b98c9169c85693801d4d59089450695ad82e2dmachenbach@chromium.org ~FrameAndConstantPoolScope() { 154997b98c9169c85693801d4d59089450695ad82e2dmachenbach@chromium.org masm_->LeaveFrame(type_); 155097b98c9169c85693801d4d59089450695ad82e2dmachenbach@chromium.org masm_->set_has_frame(old_has_frame_); 155197b98c9169c85693801d4d59089450695ad82e2dmachenbach@chromium.org masm_->set_constant_pool_available(old_constant_pool_available_); 155297b98c9169c85693801d4d59089450695ad82e2dmachenbach@chromium.org } 155397b98c9169c85693801d4d59089450695ad82e2dmachenbach@chromium.org 155497b98c9169c85693801d4d59089450695ad82e2dmachenbach@chromium.org // Normally we generate the leave-frame code when this object goes 155597b98c9169c85693801d4d59089450695ad82e2dmachenbach@chromium.org // out of scope. Sometimes we may need to generate the code somewhere else 155697b98c9169c85693801d4d59089450695ad82e2dmachenbach@chromium.org // in addition. Calling this will achieve that, but the object stays in 155797b98c9169c85693801d4d59089450695ad82e2dmachenbach@chromium.org // scope, the MacroAssembler is still marked as being in a frame scope, and 155897b98c9169c85693801d4d59089450695ad82e2dmachenbach@chromium.org // the code will be generated again when it goes out of scope. 155997b98c9169c85693801d4d59089450695ad82e2dmachenbach@chromium.org void GenerateLeaveFrame() { 156097b98c9169c85693801d4d59089450695ad82e2dmachenbach@chromium.org ASSERT(type_ != StackFrame::MANUAL && type_ != StackFrame::NONE); 156197b98c9169c85693801d4d59089450695ad82e2dmachenbach@chromium.org masm_->LeaveFrame(type_); 156297b98c9169c85693801d4d59089450695ad82e2dmachenbach@chromium.org } 156397b98c9169c85693801d4d59089450695ad82e2dmachenbach@chromium.org 156497b98c9169c85693801d4d59089450695ad82e2dmachenbach@chromium.org private: 156597b98c9169c85693801d4d59089450695ad82e2dmachenbach@chromium.org MacroAssembler* masm_; 156697b98c9169c85693801d4d59089450695ad82e2dmachenbach@chromium.org StackFrame::Type type_; 156797b98c9169c85693801d4d59089450695ad82e2dmachenbach@chromium.org bool old_has_frame_; 156897b98c9169c85693801d4d59089450695ad82e2dmachenbach@chromium.org bool old_constant_pool_available_; 156997b98c9169c85693801d4d59089450695ad82e2dmachenbach@chromium.org 157097b98c9169c85693801d4d59089450695ad82e2dmachenbach@chromium.org DISALLOW_IMPLICIT_CONSTRUCTORS(FrameAndConstantPoolScope); 157197b98c9169c85693801d4d59089450695ad82e2dmachenbach@chromium.org}; 157297b98c9169c85693801d4d59089450695ad82e2dmachenbach@chromium.org 157397b98c9169c85693801d4d59089450695ad82e2dmachenbach@chromium.org 157497b98c9169c85693801d4d59089450695ad82e2dmachenbach@chromium.org// Class for scoping the the unavailability of constant pool access. 157597b98c9169c85693801d4d59089450695ad82e2dmachenbach@chromium.orgclass ConstantPoolUnavailableScope { 157697b98c9169c85693801d4d59089450695ad82e2dmachenbach@chromium.org public: 157797b98c9169c85693801d4d59089450695ad82e2dmachenbach@chromium.org explicit ConstantPoolUnavailableScope(MacroAssembler* masm) 157897b98c9169c85693801d4d59089450695ad82e2dmachenbach@chromium.org : masm_(masm), 157997b98c9169c85693801d4d59089450695ad82e2dmachenbach@chromium.org old_constant_pool_available_(masm->is_constant_pool_available()) { 158097b98c9169c85693801d4d59089450695ad82e2dmachenbach@chromium.org if (FLAG_enable_ool_constant_pool) { 158197b98c9169c85693801d4d59089450695ad82e2dmachenbach@chromium.org masm_->set_constant_pool_available(false); 158297b98c9169c85693801d4d59089450695ad82e2dmachenbach@chromium.org } 158397b98c9169c85693801d4d59089450695ad82e2dmachenbach@chromium.org } 158497b98c9169c85693801d4d59089450695ad82e2dmachenbach@chromium.org ~ConstantPoolUnavailableScope() { 158597b98c9169c85693801d4d59089450695ad82e2dmachenbach@chromium.org if (FLAG_enable_ool_constant_pool) { 158697b98c9169c85693801d4d59089450695ad82e2dmachenbach@chromium.org masm_->set_constant_pool_available(old_constant_pool_available_); 158797b98c9169c85693801d4d59089450695ad82e2dmachenbach@chromium.org } 158897b98c9169c85693801d4d59089450695ad82e2dmachenbach@chromium.org } 158997b98c9169c85693801d4d59089450695ad82e2dmachenbach@chromium.org 159097b98c9169c85693801d4d59089450695ad82e2dmachenbach@chromium.org private: 159197b98c9169c85693801d4d59089450695ad82e2dmachenbach@chromium.org MacroAssembler* masm_; 159297b98c9169c85693801d4d59089450695ad82e2dmachenbach@chromium.org int old_constant_pool_available_; 159397b98c9169c85693801d4d59089450695ad82e2dmachenbach@chromium.org 159497b98c9169c85693801d4d59089450695ad82e2dmachenbach@chromium.org DISALLOW_IMPLICIT_CONSTRUCTORS(ConstantPoolUnavailableScope); 159597b98c9169c85693801d4d59089450695ad82e2dmachenbach@chromium.org}; 159697b98c9169c85693801d4d59089450695ad82e2dmachenbach@chromium.org 159797b98c9169c85693801d4d59089450695ad82e2dmachenbach@chromium.org 159843d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen// ----------------------------------------------------------------------------- 159943d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen// Static helper functions. 160043d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen 16011b3afd1cab9087ca3c4e585d3da77d374d65c082mstarzinger@chromium.orginline MemOperand ContextOperand(Register context, int index) { 16024a6c3279070e8f133607a74c08d8c08ac394ab98erik.corry@gmail.com return MemOperand(context, Context::SlotOffset(index)); 16034a6c3279070e8f133607a74c08d8c08ac394ab98erik.corry@gmail.com} 16044a6c3279070e8f133607a74c08d8c08ac394ab98erik.corry@gmail.com 16054a6c3279070e8f133607a74c08d8c08ac394ab98erik.corry@gmail.com 16061b3afd1cab9087ca3c4e585d3da77d374d65c082mstarzinger@chromium.orginline MemOperand GlobalObjectOperand() { 160746839fbbdee40a3d2d924e8b5b13c4139b0b24f2yangguo@chromium.org return ContextOperand(cp, Context::GLOBAL_OBJECT_INDEX); 16084a6c3279070e8f133607a74c08d8c08ac394ab98erik.corry@gmail.com} 16094a6c3279070e8f133607a74c08d8c08ac394ab98erik.corry@gmail.com 16104a6c3279070e8f133607a74c08d8c08ac394ab98erik.corry@gmail.com 161165dad4b091d2925543c6326db635d0f7cf9e1edcager@chromium.org#ifdef GENERATED_CODE_COVERAGE 161265dad4b091d2925543c6326db635d0f7cf9e1edcager@chromium.org#define CODE_COVERAGE_STRINGIFY(x) #x 161365dad4b091d2925543c6326db635d0f7cf9e1edcager@chromium.org#define CODE_COVERAGE_TOSTRING(x) CODE_COVERAGE_STRINGIFY(x) 161465dad4b091d2925543c6326db635d0f7cf9e1edcager@chromium.org#define __FILE_LINE__ __FILE__ ":" CODE_COVERAGE_TOSTRING(__LINE__) 161565dad4b091d2925543c6326db635d0f7cf9e1edcager@chromium.org#define ACCESS_MASM(masm) masm->stop(__FILE_LINE__); masm-> 161665dad4b091d2925543c6326db635d0f7cf9e1edcager@chromium.org#else 161765dad4b091d2925543c6326db635d0f7cf9e1edcager@chromium.org#define ACCESS_MASM(masm) masm-> 161865dad4b091d2925543c6326db635d0f7cf9e1edcager@chromium.org#endif 161965dad4b091d2925543c6326db635d0f7cf9e1edcager@chromium.org 162043d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen 162143d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen} } // namespace v8::internal 162243d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen 16235ec4892aef9cca42940d7d92302abf674365f6b7ager@chromium.org#endif // V8_ARM_MACRO_ASSEMBLER_ARM_H_ 1624