dart::ReturnAddressLocator Class Reference

Inheritance diagram for dart::ReturnAddressLocator:

Public Member Functions
	ReturnAddressLocator (Sample *sample, const Code &code)
	ReturnAddressLocator (uword pc, uword *stack_buffer, const Code &code)
uword	pc ()
bool	LocateReturnAddress (uword *return_address)
intptr_t	RelativePC ()
uint8_t *	CodePointer (intptr_t offset)
uword	StackAt (intptr_t i)
Public Member Functions inherited from dart::ValueObject
	ValueObject ()
	~ValueObject ()

Detailed Description

Definition at line 867 of file profiler.cc.

Constructor & Destructor Documentation

ReturnAddressLocator() [1/2]

dart::ReturnAddressLocator::ReturnAddressLocator ( Sample *  sample, const Code &  code  )

inline

Definition at line 869 of file profiler.cc.

      : stack_buffer_(sample->GetStackBuffer()),
        pc_(sample->pc()),
        code_(Code::ZoneHandle(code.ptr())) {
    ASSERT(!code_.IsNull());
    ASSERT(code_.ContainsInstructionAt(pc()));
  }

ReturnAddressLocator() [2/2]

dart::ReturnAddressLocator::ReturnAddressLocator ( uword  pc, uword *  stack_buffer, const Code &  code  )

inline

Definition at line 877 of file profiler.cc.

      : stack_buffer_(stack_buffer),
        pc_(pc),
        code_(Code::ZoneHandle(code.ptr())) {
    ASSERT(!code_.IsNull());
    ASSERT(code_.ContainsInstructionAt(pc_));
  }

Member Function Documentation

CodePointer()

uint8_t * dart::ReturnAddressLocator::CodePointer ( intptr_t  offset )

inline

Definition at line 896 of file profiler.cc.

                                        {
    const intptr_t size = code_.Size();
    ASSERT(offset < size);
    uint8_t* code_pointer = reinterpret_cast<uint8_t*>(code_.PayloadStart());
    code_pointer += offset;
    return code_pointer;
  }

LocateReturnAddress()

bool dart::ReturnAddressLocator::LocateReturnAddress

(

uword *

return_address

)

pc()

uword dart::ReturnAddressLocator::pc ( )

inline

Definition at line 885 of file profiler.cc.

{ return pc_; }

RelativePC()

intptr_t dart::ReturnAddressLocator::RelativePC ( )

inline

Definition at line 891 of file profiler.cc.

                        {
    ASSERT(pc() >= code_.PayloadStart());
    return static_cast<intptr_t>(pc() - code_.PayloadStart());
  }

StackAt()

uword dart::ReturnAddressLocator::StackAt ( intptr_t  i )

inline

Definition at line 904 of file profiler.cc.

                            {
    ASSERT(i >= 0);
    ASSERT(i < Sample::kStackBufferSizeInWords);
    return stack_buffer_[i];
  }

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The documentation for this class was generated from the following file:

• third_party/dart-lang/sdk/runtime/vm/profiler.cc