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Navigation: The User Interface

Icons

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Some of the displays show icons on the left border to indicate the type of data associated with that line.

Explanatory tooltips are shown over the icons in the Memory and Analysis views:

Common icon shapes

There are a few recurring shapes you will find in the icons:

allocation

deallocation

reallocation

List of icons used in the main displays

The full suite of icons are shown below in groups, and with a very brief explanation.

General

icon16 option enabled

icon17 option disabled

icon73 line corresponding to allocation/reallocation/deallocation

icon80 source code

CRT Heaps

icon62 malloc(), calloc(), new

icon61 free(), delete

icon60 realloc()

Win32 Heaps

icon122 HeapAlloc()

icon120 HeapFree()

icon121 HeapRealloc()

Handles

icon56 handle creation

icon55 handle destruction

GlobalAlloc

icon101 GlobalAlloc()

icon98 GlobalFree()

icon99 GlobalRealloc()

LocalAlloc

icon97 LocalAlloc()

icon102 LocalFree()

icon103 LocalRealloc()

CoTaskMemAlloc

icon65 CoTaskMemAlloc()

icon64 CoTaskMemFree()

icon63 CoTaskMemRealloc()

IMallocSpy

icon50 IMallocSpy allocation

icon49 IMallocSpy deallocation

icon48 IMallocSpy reallocation

SysAllocString (BSTR)

icon96 SysAllocString()

icon95 SysFreeString() (and ::VariantClear() used to free BSTRs)

icon94 SysReAllocString()

Misc Allocations

icon112 miscellaneous allocation

icon111 miscellaneous deallocation

icon110 miscellaneous reallocation

NetApiXXX

icon115 NetApiBufferAllocate() or NetApiXXX() function allocating memory

icon114 NetApiBufferFree deallocation

icon113 NetApiBufferReallocate reallocation

CryptoAPI

crypto1 CryptoAPI allocation

crypto2 CryptoAPI deallocation

crypto3 CryptoAPI reallocation

COM

icon68 COM object created

icon67 COM QueryInterface()

icon69 COM AddRef()

icon66 COM Release()

VirtualAlloc

icon25 VirtualAlloc()

icon22 VirtualFree()

TRACE and
OutputDebugString

icon33 trace message, or OutputDebugString() message

icon34 trace from an exception

icon35 trace from an ASSERT

Errors

icon72 bad allocation

icon71 bad deallocation

icon70 bad reallocation

icon59 double free(), or double delete

icon40 mismatch between delete and free(), eg used delete when should have used free(), or vice versa

icon41 mismatch deleting array, eg used delete [] when should have used delete, vice versa

icon42 memory underrun

icon43 memory overrun

icon57 free memory write

icon58 free memory read

icon32 uninitialized memory

icon44 memory error

User Allocations

from API

icon30 user allocation (mvUserCustomAlloc())

icon29 user deallocation (mvUserCustomFree())

icon28 user reallocation (mvUserCustomReAlloc())

icon31 user increase reference count (mvUserCustomRefCountIncrement())

icon27 user decrease reference count (mvUserCustomRefCountDecrement())

Coverage

The following symbols are used by the coverage user interface to describe the types of allocations

icon78 malloc()

icon87 calloc()

icon74 realloc()

icon93 _expand()

icon82 free()

icon77 operator new

icon90 operator delete