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Side by Side Diff: src/arm/macro-assembler-arm.h

Issue 7084032: Add asserts and state tracking to ensure that we do not call (Closed) Base URL: http://v8.googlecode.com/svn/branches/bleeding_edge/
Patch Set: '' Created 9 years, 6 months ago
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1 // Copyright 2011 the V8 project authors. All rights reserved. 1 // Copyright 2011 the V8 project authors. All rights reserved.
2 // Redistribution and use in source and binary forms, with or without 2 // Redistribution and use in source and binary forms, with or without
3 // modification, are permitted provided that the following conditions are 3 // modification, are permitted provided that the following conditions are
4 // met: 4 // met:
5 // 5 //
6 // * Redistributions of source code must retain the above copyright 6 // * Redistributions of source code must retain the above copyright
7 // notice, this list of conditions and the following disclaimer. 7 // notice, this list of conditions and the following disclaimer.
8 // * Redistributions in binary form must reproduce the above 8 // * Redistributions in binary form must reproduce the above
9 // copyright notice, this list of conditions and the following 9 // copyright notice, this list of conditions and the following
10 // disclaimer in the documentation and/or other materials provided 10 // disclaimer in the documentation and/or other materials provided
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22 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 22 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 23 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 24 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 25 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
26 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 27
28 #ifndef V8_ARM_MACRO_ASSEMBLER_ARM_H_ 28 #ifndef V8_ARM_MACRO_ASSEMBLER_ARM_H_
29 #define V8_ARM_MACRO_ASSEMBLER_ARM_H_ 29 #define V8_ARM_MACRO_ASSEMBLER_ARM_H_
30 30
31 #include "assembler.h" 31 #include "assembler.h"
32 #include "frames.h"
32 #include "v8globals.h" 33 #include "v8globals.h"
33 34
34 namespace v8 { 35 namespace v8 {
35 namespace internal { 36 namespace internal {
36 37
37 // ---------------------------------------------------------------------------- 38 // ----------------------------------------------------------------------------
38 // Static helper functions 39 // Static helper functions
39 40
40 // Generate a MemOperand for loading a field from an object. 41 // Generate a MemOperand for loading a field from an object.
41 static inline MemOperand FieldMemOperand(Register object, int offset) { 42 static inline MemOperand FieldMemOperand(Register object, int offset) {
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304 // Compare double values and then load the fpscr flags to a register. 305 // Compare double values and then load the fpscr flags to a register.
305 void VFPCompareAndLoadFlags(const DwVfpRegister src1, 306 void VFPCompareAndLoadFlags(const DwVfpRegister src1,
306 const DwVfpRegister src2, 307 const DwVfpRegister src2,
307 const Register fpscr_flags, 308 const Register fpscr_flags,
308 const Condition cond = al); 309 const Condition cond = al);
309 void VFPCompareAndLoadFlags(const DwVfpRegister src1, 310 void VFPCompareAndLoadFlags(const DwVfpRegister src1,
310 const double src2, 311 const double src2,
311 const Register fpscr_flags, 312 const Register fpscr_flags,
312 const Condition cond = al); 313 const Condition cond = al);
313 314
314
315 // ---------------------------------------------------------------------------
316 // Activation frames
317
318 void EnterInternalFrame() { EnterFrame(StackFrame::INTERNAL); }
319 void LeaveInternalFrame() { LeaveFrame(StackFrame::INTERNAL); }
320
321 void EnterConstructFrame() { EnterFrame(StackFrame::CONSTRUCT); }
322 void LeaveConstructFrame() { LeaveFrame(StackFrame::CONSTRUCT); }
323
324 // Enter exit frame. 315 // Enter exit frame.
325 // stack_space - extra stack space, used for alignment before call to C. 316 // stack_space - extra stack space, used for alignment before call to C.
326 void EnterExitFrame(bool save_doubles, int stack_space = 0); 317 void EnterExitFrame(bool save_doubles, int stack_space = 0);
327 318
328 // Leave the current exit frame. Expects the return value in r0. 319 // Leave the current exit frame. Expects the return value in r0.
329 // Expect the number of values, pushed prior to the exit frame, to 320 // Expect the number of values, pushed prior to the exit frame, to
330 // remove in a register (or no_reg, if there is nothing to remove). 321 // remove in a register (or no_reg, if there is nothing to remove).
331 void LeaveExitFrame(bool save_doubles, Register argument_count); 322 void LeaveExitFrame(bool save_doubles, Register argument_count);
332 323
333 // Get the actual activation frame alignment for target environment. 324 // Get the actual activation frame alignment for target environment.
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864 void Check(Condition cond, const char* msg); 855 void Check(Condition cond, const char* msg);
865 856
866 // Print a message to stdout and abort execution. 857 // Print a message to stdout and abort execution.
867 void Abort(const char* msg); 858 void Abort(const char* msg);
868 859
869 // Verify restrictions about code generated in stubs. 860 // Verify restrictions about code generated in stubs.
870 void set_generating_stub(bool value) { generating_stub_ = value; } 861 void set_generating_stub(bool value) { generating_stub_ = value; }
871 bool generating_stub() { return generating_stub_; } 862 bool generating_stub() { return generating_stub_; }
872 void set_allow_stub_calls(bool value) { allow_stub_calls_ = value; } 863 void set_allow_stub_calls(bool value) { allow_stub_calls_ = value; }
873 bool allow_stub_calls() { return allow_stub_calls_; } 864 bool allow_stub_calls() { return allow_stub_calls_; }
865 void set_has_frame(bool value) { has_frame_ = value; }
866 bool has_frame() { return has_frame_; }
867 inline bool AllowThisStubCall(CodeStub* stub);
874 868
875 // EABI variant for double arguments in use. 869 // EABI variant for double arguments in use.
876 bool use_eabi_hardfloat() { 870 bool use_eabi_hardfloat() {
877 #if USE_EABI_HARDFLOAT 871 #if USE_EABI_HARDFLOAT
878 return true; 872 return true;
879 #else 873 #else
880 return false; 874 return false;
881 #endif 875 #endif
882 } 876 }
883 877
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1010 1004
1011 void ClampUint8(Register output_reg, Register input_reg); 1005 void ClampUint8(Register output_reg, Register input_reg);
1012 1006
1013 void ClampDoubleToUint8(Register result_reg, 1007 void ClampDoubleToUint8(Register result_reg,
1014 DoubleRegister input_reg, 1008 DoubleRegister input_reg,
1015 DoubleRegister temp_double_reg); 1009 DoubleRegister temp_double_reg);
1016 1010
1017 1011
1018 void LoadInstanceDescriptors(Register map, Register descriptors); 1012 void LoadInstanceDescriptors(Register map, Register descriptors);
1019 1013
1014 // Activation support.
1015 void EnterFrame(StackFrame::Type type);
1016 void LeaveFrame(StackFrame::Type type);
1017
1020 private: 1018 private:
1021 void CallCFunctionHelper(Register function, 1019 void CallCFunctionHelper(Register function,
1022 ExternalReference function_reference, 1020 ExternalReference function_reference,
1023 Register scratch, 1021 Register scratch,
1024 int num_reg_arguments, 1022 int num_reg_arguments,
1025 int num_double_arguments); 1023 int num_double_arguments);
1026 1024
1027 void Jump(intptr_t target, RelocInfo::Mode rmode, Condition cond = al); 1025 void Jump(intptr_t target, RelocInfo::Mode rmode, Condition cond = al);
1028 int CallSize(intptr_t target, RelocInfo::Mode rmode, Condition cond = al); 1026 int CallSize(intptr_t target, RelocInfo::Mode rmode, Condition cond = al);
1029 void Call(intptr_t target, 1027 void Call(intptr_t target,
1030 RelocInfo::Mode rmode, 1028 RelocInfo::Mode rmode,
1031 Condition cond = al); 1029 Condition cond = al);
1032 1030
1033 // Helper functions for generating invokes. 1031 // Helper functions for generating invokes.
1034 void InvokePrologue(const ParameterCount& expected, 1032 void InvokePrologue(const ParameterCount& expected,
1035 const ParameterCount& actual, 1033 const ParameterCount& actual,
1036 Handle<Code> code_constant, 1034 Handle<Code> code_constant,
1037 Register code_reg, 1035 Register code_reg,
1038 Label* done, 1036 Label* done,
1039 InvokeFlag flag, 1037 InvokeFlag flag,
1040 const CallWrapper& call_wrapper, 1038 const CallWrapper& call_wrapper,
1041 CallKind call_kind); 1039 CallKind call_kind);
1042 1040
1043 // Activation support.
1044 void EnterFrame(StackFrame::Type type);
1045 void LeaveFrame(StackFrame::Type type);
1046
1047 void InitializeNewString(Register string, 1041 void InitializeNewString(Register string,
1048 Register length, 1042 Register length,
1049 Heap::RootListIndex map_index, 1043 Heap::RootListIndex map_index,
1050 Register scratch1, 1044 Register scratch1,
1051 Register scratch2); 1045 Register scratch2);
1052 1046
1053 // Compute memory operands for safepoint stack slots. 1047 // Compute memory operands for safepoint stack slots.
1054 static int SafepointRegisterStackIndex(int reg_code); 1048 static int SafepointRegisterStackIndex(int reg_code);
1055 MemOperand SafepointRegisterSlot(Register reg); 1049 MemOperand SafepointRegisterSlot(Register reg);
1056 MemOperand SafepointRegistersAndDoublesSlot(Register reg); 1050 MemOperand SafepointRegistersAndDoublesSlot(Register reg);
1057 1051
1058 bool generating_stub_; 1052 bool generating_stub_;
1059 bool allow_stub_calls_; 1053 bool allow_stub_calls_;
1054 bool has_frame_;
1060 // This handle will be patched with the code object on installation. 1055 // This handle will be patched with the code object on installation.
1061 Handle<Object> code_object_; 1056 Handle<Object> code_object_;
1062 1057
1063 // Needs access to SafepointRegisterStackIndex for optimized frame 1058 // Needs access to SafepointRegisterStackIndex for optimized frame
1064 // traversal. 1059 // traversal.
1065 friend class OptimizedFrame; 1060 friend class OptimizedFrame;
1066 }; 1061 };
1067 1062
1068 1063
1069 #ifdef ENABLE_DEBUGGER_SUPPORT 1064 #ifdef ENABLE_DEBUGGER_SUPPORT
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1118 #define __FILE_LINE__ __FILE__ ":" CODE_COVERAGE_TOSTRING(__LINE__) 1113 #define __FILE_LINE__ __FILE__ ":" CODE_COVERAGE_TOSTRING(__LINE__)
1119 #define ACCESS_MASM(masm) masm->stop(__FILE_LINE__); masm-> 1114 #define ACCESS_MASM(masm) masm->stop(__FILE_LINE__); masm->
1120 #else 1115 #else
1121 #define ACCESS_MASM(masm) masm-> 1116 #define ACCESS_MASM(masm) masm->
1122 #endif 1117 #endif
1123 1118
1124 1119
1125 } } // namespace v8::internal 1120 } } // namespace v8::internal
1126 1121
1127 #endif // V8_ARM_MACRO_ASSEMBLER_ARM_H_ 1122 #endif // V8_ARM_MACRO_ASSEMBLER_ARM_H_
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