diff options
Diffstat (limited to 'chromium/v8/src/mips/code-stubs-mips.h')
| -rw-r--r-- | chromium/v8/src/mips/code-stubs-mips.h | 162 |
1 files changed, 44 insertions, 118 deletions
diff --git a/chromium/v8/src/mips/code-stubs-mips.h b/chromium/v8/src/mips/code-stubs-mips.h index c3e05b8a2d4..3e0eaa160e0 100644 --- a/chromium/v8/src/mips/code-stubs-mips.h +++ b/chromium/v8/src/mips/code-stubs-mips.h @@ -1,34 +1,11 @@ // Copyright 2011 the V8 project authors. All rights reserved. -// Redistribution and use in source and binary forms, with or without -// modification, are permitted provided that the following conditions are -// met: -// -// * Redistributions of source code must retain the above copyright -// notice, this list of conditions and the following disclaimer. -// * Redistributions in binary form must reproduce the above -// copyright notice, this list of conditions and the following -// disclaimer in the documentation and/or other materials provided -// with the distribution. -// * Neither the name of Google Inc. nor the names of its -// contributors may be used to endorse or promote products derived -// from this software without specific prior written permission. -// -// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. #ifndef V8_MIPS_CODE_STUBS_ARM_H_ #define V8_MIPS_CODE_STUBS_ARM_H_ -#include "ic-inl.h" +#include "src/ic-inl.h" namespace v8 { @@ -38,34 +15,10 @@ namespace internal { void ArrayNativeCode(MacroAssembler* masm, Label* call_generic_code); -// Compute a transcendental math function natively, or call the -// TranscendentalCache runtime function. -class TranscendentalCacheStub: public PlatformCodeStub { - public: - enum ArgumentType { - TAGGED = 0 << TranscendentalCache::kTranscendentalTypeBits, - UNTAGGED = 1 << TranscendentalCache::kTranscendentalTypeBits - }; - - TranscendentalCacheStub(TranscendentalCache::Type type, - ArgumentType argument_type) - : type_(type), argument_type_(argument_type) { } - void Generate(MacroAssembler* masm); - private: - TranscendentalCache::Type type_; - ArgumentType argument_type_; - void GenerateCallCFunction(MacroAssembler* masm, Register scratch); - - Major MajorKey() { return TranscendentalCache; } - int MinorKey() { return type_ | argument_type_; } - Runtime::FunctionId RuntimeFunction(); -}; - - class StoreBufferOverflowStub: public PlatformCodeStub { public: - explicit StoreBufferOverflowStub(SaveFPRegsMode save_fp) - : save_doubles_(save_fp) {} + StoreBufferOverflowStub(Isolate* isolate, SaveFPRegsMode save_fp) + : PlatformCodeStub(isolate), save_doubles_(save_fp) {} void Generate(MacroAssembler* masm); @@ -82,50 +35,17 @@ class StoreBufferOverflowStub: public PlatformCodeStub { class StringHelper : public AllStatic { public: - // Generate code for copying characters using a simple loop. This should only - // be used in places where the number of characters is small and the - // additional setup and checking in GenerateCopyCharactersLong adds too much - // overhead. Copying of overlapping regions is not supported. + // Generate code for copying a large number of characters. This function + // is allowed to spend extra time setting up conditions to make copying + // faster. Copying of overlapping regions is not supported. // Dest register ends at the position after the last character written. static void GenerateCopyCharacters(MacroAssembler* masm, Register dest, Register src, Register count, Register scratch, - bool ascii); + String::Encoding encoding); - // Generate code for copying a large number of characters. This function - // is allowed to spend extra time setting up conditions to make copying - // faster. Copying of overlapping regions is not supported. - // Dest register ends at the position after the last character written. - static void GenerateCopyCharactersLong(MacroAssembler* masm, - Register dest, - Register src, - Register count, - Register scratch1, - Register scratch2, - Register scratch3, - Register scratch4, - Register scratch5, - int flags); - - - // Probe the string table for a two character string. If the string is - // not found by probing a jump to the label not_found is performed. This jump - // does not guarantee that the string is not in the string table. If the - // string is found the code falls through with the string in register r0. - // Contents of both c1 and c2 registers are modified. At the exit c1 is - // guaranteed to contain halfword with low and high bytes equal to - // initial contents of c1 and c2 respectively. - static void GenerateTwoCharacterStringTableProbe(MacroAssembler* masm, - Register c1, - Register c2, - Register scratch1, - Register scratch2, - Register scratch3, - Register scratch4, - Register scratch5, - Label* not_found); // Generate string hash. static void GenerateHashInit(MacroAssembler* masm, @@ -144,47 +64,48 @@ class StringHelper : public AllStatic { }; -class StringAddStub: public PlatformCodeStub { +class SubStringStub: public PlatformCodeStub { public: - explicit StringAddStub(StringAddFlags flags) : flags_(flags) {} + explicit SubStringStub(Isolate* isolate) : PlatformCodeStub(isolate) {} private: - Major MajorKey() { return StringAdd; } - int MinorKey() { return flags_; } + Major MajorKey() { return SubString; } + int MinorKey() { return 0; } void Generate(MacroAssembler* masm); +}; - void GenerateConvertArgument(MacroAssembler* masm, - int stack_offset, - Register arg, - Register scratch1, - Register scratch2, - Register scratch3, - Register scratch4, - Label* slow); +class StoreRegistersStateStub: public PlatformCodeStub { + public: + explicit StoreRegistersStateStub(Isolate* isolate, SaveFPRegsMode with_fp) + : PlatformCodeStub(isolate), save_doubles_(with_fp) {} - void GenerateRegisterArgsPush(MacroAssembler* masm); - void GenerateRegisterArgsPop(MacroAssembler* masm); + static void GenerateAheadOfTime(Isolate* isolate); + private: + Major MajorKey() { return StoreRegistersState; } + int MinorKey() { return (save_doubles_ == kSaveFPRegs) ? 1 : 0; } + SaveFPRegsMode save_doubles_; - const StringAddFlags flags_; + void Generate(MacroAssembler* masm); }; - -class SubStringStub: public PlatformCodeStub { +class RestoreRegistersStateStub: public PlatformCodeStub { public: - SubStringStub() {} + explicit RestoreRegistersStateStub(Isolate* isolate, SaveFPRegsMode with_fp) + : PlatformCodeStub(isolate), save_doubles_(with_fp) {} + static void GenerateAheadOfTime(Isolate* isolate); private: - Major MajorKey() { return SubString; } - int MinorKey() { return 0; } + Major MajorKey() { return RestoreRegistersState; } + int MinorKey() { return (save_doubles_ == kSaveFPRegs) ? 1 : 0; } + SaveFPRegsMode save_doubles_; void Generate(MacroAssembler* masm); }; - class StringCompareStub: public PlatformCodeStub { public: - StringCompareStub() { } + explicit StringCompareStub(Isolate* isolate) : PlatformCodeStub(isolate) { } // Compare two flat ASCII strings and returns result in v0. static void GenerateCompareFlatAsciiStrings(MacroAssembler* masm, @@ -225,11 +146,13 @@ class StringCompareStub: public PlatformCodeStub { // so you don't have to set up the frame. class WriteInt32ToHeapNumberStub : public PlatformCodeStub { public: - WriteInt32ToHeapNumberStub(Register the_int, + WriteInt32ToHeapNumberStub(Isolate* isolate, + Register the_int, Register the_heap_number, Register scratch, Register scratch2) - : the_int_(the_int), + : PlatformCodeStub(isolate), + the_int_(the_int), the_heap_number_(the_heap_number), scratch_(scratch), sign_(scratch2) { @@ -268,12 +191,14 @@ class WriteInt32ToHeapNumberStub : public PlatformCodeStub { class RecordWriteStub: public PlatformCodeStub { public: - RecordWriteStub(Register object, + RecordWriteStub(Isolate* isolate, + Register object, Register value, Register address, RememberedSetAction remembered_set_action, SaveFPRegsMode fp_mode) - : object_(object), + : PlatformCodeStub(isolate), + object_(object), value_(value), address_(address), remembered_set_action_(remembered_set_action), @@ -419,7 +344,7 @@ class RecordWriteStub: public PlatformCodeStub { MacroAssembler* masm, OnNoNeedToInformIncrementalMarker on_no_need, Mode mode); - void InformIncrementalMarker(MacroAssembler* masm, Mode mode); + void InformIncrementalMarker(MacroAssembler* masm); Major MajorKey() { return RecordWrite; } @@ -458,7 +383,7 @@ class RecordWriteStub: public PlatformCodeStub { // moved by GC class DirectCEntryStub: public PlatformCodeStub { public: - DirectCEntryStub() {} + explicit DirectCEntryStub(Isolate* isolate) : PlatformCodeStub(isolate) {} void Generate(MacroAssembler* masm); void GenerateCall(MacroAssembler* masm, Register target); @@ -474,7 +399,8 @@ class NameDictionaryLookupStub: public PlatformCodeStub { public: enum LookupMode { POSITIVE_LOOKUP, NEGATIVE_LOOKUP }; - explicit NameDictionaryLookupStub(LookupMode mode) : mode_(mode) { } + NameDictionaryLookupStub(Isolate* isolate, LookupMode mode) + : PlatformCodeStub(isolate), mode_(mode) { } void Generate(MacroAssembler* masm); |