Difference between revisions of "Unit HeapManager"

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{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 +
|-
 +
| <code>HEAP_MIN_BLOCK = 57;</code>
 +
| SizeOf(THeapBlock) + 1
 
|-
 
|-
 
| <code>HEAP_MIN_BLOCK = 33;</code>
 
| <code>HEAP_MIN_BLOCK = 33;</code>
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<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 +
|-
 +
| <code>HEAP_SMALL_MIN = 56;</code>
 +
| SizeOf(THeapBlock) Minimum size of a small heap block
 
|-
 
|-
 
| <code>HEAP_SMALL_MIN = 32;</code>
 
| <code>HEAP_SMALL_MIN = 32;</code>
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|-
 
|-
 
| <code>HEAP_SMALL_LOW = (HEAP_SMALL_MIN div HEAP_SMALL_ALIGN);</code>
 
| <code>HEAP_SMALL_LOW = (HEAP_SMALL_MIN div HEAP_SMALL_ALIGN);</code>
−
| 8
+
| 8 (32-bit) / 14 (64-bit)
 
|-
 
|-
 
| <code>HEAP_SMALL_HIGH = (HEAP_SMALL_MAX div HEAP_SMALL_ALIGN);</code>
 
| <code>HEAP_SMALL_HIGH = (HEAP_SMALL_MAX div HEAP_SMALL_ALIGN);</code>
Line 473: Line 479:
 
|-
 
|-
 
|colspan="2"|''GetAligned Internal''
 
|colspan="2"|''GetAligned Internal''
 +
|-
 +
| <code>GetAlignedZeroCount:LongWord;</code>
 +
| &nbsp;
 
|-
 
|-
 
| <code>GetAlignedRemainCount:LongWord;</code>
 
| <code>GetAlignedRemainCount:LongWord;</code>
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|-
 
|-
 
| <code>GetAlignedRemoveFailCount:LongWord;</code>
 
| <code>GetAlignedRemoveFailCount:LongWord;</code>
−
| &nbsp;
 
−
|-
 
−
| <code>GetAlignedOrphanCount:LongWord;</code>
 
−
| &nbsp;
 
−
|-
 
−
| <code>GetAlignedOrphanBytes:LongWord;</code>
 
 
| &nbsp;
 
| &nbsp;
 
|-
 
|-
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|-
 
|-
 
| <code>GetLargeCount:LongWord;</code>
 
| <code>GetLargeCount:LongWord;</code>
 +
| &nbsp;
 +
|-
 +
| <code>FindFreeCount:LongWord;</code>
 
| &nbsp;
 
| &nbsp;
 
|-
 
|-
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<br />
 
<br />
 
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
 
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
−
<pre style="border: 0; padding-bottom:0px;">function GetAlignedMem(Size,Alignment:PtrUInt):Pointer;</pre>
+
<pre style="border: 0; padding-bottom:0px;">function GetAlignedMem(Size,Alignment:PtrUInt):Pointer; inline;</pre>
 
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' Allocate a block of normal memory aligned on a multiple of the alignment value</div>
 
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' Allocate a block of normal memory aligned on a multiple of the alignment value</div>
 
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
 
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! Alignment
+
! Note
−
| The alignment must be a multiple of the minimum alignment configuration
+
| Alignment must be a power of 2
 
|-
 
|-
 
|}
 
|}
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{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! Alignment
+
! Note
−
| The alignment must be a multiple of the minimum alignment configuration
+
| Alignment must be a power of 2
 
|-
 
|-
 
|}
 
|}
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{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! Alignment
+
! Note
−
| The alignment must be a multiple of the minimum alignment configuration
+
| Alignment must be a power of 2
 
|-
 
|-
 
|}
 
|}
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{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! Alignment
+
! Note
−
| The alignment must be a multiple of the minimum alignment configuration
+
| Alignment must be a power of 2
 
|-
 
|-
 
|}
 
|}
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{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! Alignment
+
! Note
−
| The alignment must be a multiple of the minimum alignment configuration
+
| Alignment must be a power of 2
 
|-
 
|-
 
|}
 
|}
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{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! Alignment
+
! Note
−
| The alignment must be a multiple of the minimum alignment configuration
+
| Alignment must be a power of 2
 
|-
 
|-
 
|}
 
|}
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{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! Alignment
+
! Note
−
| The alignment must be a multiple of the minimum alignment configuration
+
| Alignment must be a power of 2
 
|-
 
|-
 
|}
 
|}
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{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! Alignment
+
! Note
−
| The alignment must be a multiple of the minimum alignment configuration
+
| Alignment must be a power of 2
 
|-
 
|-
 
|}
 
|}
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|-
 
|-
 
! Note
 
! Note
−
| None documented
+
| The memory must be freed using FreeIRQMem
 
|-
 
|-
 
|}
 
|}
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{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! Alignment
+
! Note
−
| The alignment must be a multiple of the minimum alignment configuration
+
| Alignment must be a power of 2
 +
|-
 +
! Note
 +
| The memory must be freed using FreeIRQMem
 
|-
 
|-
 
|}
 
|}
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|-
 
|-
 
! Note
 
! Note
−
| None documented
+
| The memory must be freed using FreeFIQMem
 
|-
 
|-
 
|}
 
|}
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{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! Alignment
+
! Note
−
| The alignment must be a multiple of the minimum alignment configuration
+
| Alignment must be a power of 2
 +
|-
 +
! Note
 +
| The memory must be freed using FreeFIQMem
 
|-
 
|-
 
|}
 
|}
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<br />
 
<br />
 
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
 
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
−
<pre style="border: 0; padding-bottom:0px;">function AllocAlignedMem(Size,Alignment:PtrUInt):Pointer;</pre>
+
<pre style="border: 0; padding-bottom:0px;">function AllocAlignedMem(Size,Alignment:PtrUInt):Pointer; inline;</pre>
 
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' Allocate and clear a block of normal memory aligned on a multiple of the alignment value</div>
 
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' Allocate and clear a block of normal memory aligned on a multiple of the alignment value</div>
 
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
 
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! Alignment
+
! Note
−
| The alignment must be a multiple of the minimum alignment configuration
+
| Alignment must be a power of 2
 
|-
 
|-
 
|}
 
|}
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{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! Alignment
+
! Note
−
| The alignment must be a multiple of the minimum alignment configuration
+
| Alignment must be a power of 2
 
|-
 
|-
 
|}
 
|}
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<br />
 
<br />
 
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
 
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
−
<pre style="border: 0; padding-bottom:0px;">function ReAllocAlignedMem(var Addr:Pointer; Size,Alignment:PtrUInt):Pointer;</pre>
+
<pre style="border: 0; padding-bottom:0px;">function ReAllocAlignedMem(var Addr:Pointer; Size,Alignment:PtrUInt):Pointer; inline;</pre>
 
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' Reallocate a block of normal memory aligned on a multiple of the alignment value</div>
 
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' Reallocate a block of normal memory aligned on a multiple of the alignment value</div>
 
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
 
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! Alignment
+
! Note
−
| The alignment must be a multiple of the minimum alignment configuration
+
| Alignment must be a power of 2
 
|-
 
|-
 
|}
 
|}
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{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! Alignment
+
! Note
−
| The alignment must be a multiple of the minimum alignment configuration
+
| Alignment must be a power of 2
 
|-
 
|-
 
|}
 
|}
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{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! Alignment
+
! Note
−
| The alignment must be a multiple of the minimum alignment configuration
+
| Alignment must be a power of 2
 
|-
 
|-
 
|}
 
|}
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{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! Alignment
+
! Note
−
| The alignment must be a multiple of the minimum alignment configuration
+
| Alignment must be a power of 2
 
|-
 
|-
 
|}
 
|}
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{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! Alignment
+
! Note
−
| The alignment must be a multiple of the minimum alignment configuration
+
| Alignment must be a power of 2
 
|-
 
|-
 
|}
 
|}
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{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! Alignment
+
! Note
−
| The alignment must be a multiple of the minimum alignment configuration
+
| Alignment must be a power of 2
 
|-
 
|-
 
|}
 
|}
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{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! Alignment
+
! Note
−
| The alignment must be a multiple of the minimum alignment configuration
+
| Alignment must be a power of 2
 
|-
 
|-
 
|}
 
|}
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{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! Alignment
+
! Note
−
| The alignment must be a multiple of the minimum alignment configuration
+
| Alignment must be a power of 2
 
|-
 
|-
 
|}
 
|}
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{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! Alignment
+
! Note
−
| The alignment must be a multiple of the minimum alignment configuration
+
| Alignment must be a power of 2
 
|-
 
|-
 
|}
 
|}
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{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! Alignment
+
! Note
−
| The alignment must be a multiple of the minimum alignment configuration
+
| Alignment must be a power of 2
 
|-
 
|-
 
|}
 
|}
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{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! Alignment
+
! Note
−
| The alignment must be a multiple of the minimum alignment configuration
+
| Alignment must be a power of 2
 
|-
 
|-
 
|}
 
|}
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{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! Alignment
+
! Note
−
| The alignment must be a multiple of the minimum alignment configuration
+
| Alignment must be a power of 2
 
|-
 
|-
 
|}
 
|}
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{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! Alignment
+
! Note
−
| The alignment must be a multiple of the minimum alignment configuration
+
| Alignment must be a power of 2
 
|-
 
|-
 
|}
 
|}
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{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! Alignment
+
! Note
−
| The alignment must be a multiple of the minimum alignment configuration
+
| Alignment must be a power of 2
 
|-
 
|-
 
! Note
 
! Note
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|-
 
|-
 
! Note
 
! Note
−
| None documented
+
| The memory must be freed using FreeIRQMem
 
|-
 
|-
 
|}
 
|}
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{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! Alignment
+
! Note
−
| The alignment must be a multiple of the minimum alignment configuration
+
| Alignment must be a power of 2
 +
|-
 +
! Note
 +
| The memory must be freed using FreeIRQMem
 
|-
 
|-
 
|}
 
|}
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{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! Alignment
+
! Note
−
| The alignment must be a multiple of the minimum alignment configuration
+
| Alignment must be a power of 2
 
|-
 
|-
 
! Note
 
! Note
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|-
 
|-
 
! Note
 
! Note
−
| None documented
+
| The memory must be freed using FreeFIQMem
 +
|-
 
|-
 
|-
 
|}
 
|}
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{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! Alignment
+
! Note
−
| The alignment must be a multiple of the minimum alignment configuration
+
| Alignment must be a power of 2
−
|-
+
−
|}
+
−
</div></div>
+
−
<br />
+
−
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
+
−
<pre style="border: 0; padding-bottom:0px;">function SizeIRQMem(Addr:Pointer):PtrUInt;</pre>
+
−
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' Return the size of an allocated block of IRQ memory</div>
+
−
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
+
−
{| class="wikitable" style="font-size: 14px; background: white;"
+
 
|-
 
|-
 
! Note
 
! Note
−
| None documented
+
| The memory must be freed using FreeFIQMem
 
|-
 
|-
 
|}
 
|}
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<br />
 
<br />
 
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
 
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
−
<pre style="border: 0; padding-bottom:0px;">function GetFreeBlock(Size:PtrUInt):PHeapBlock;</pre>
+
<pre style="border: 0; padding-bottom:0px;">function function GetFreeBlock(Size:PtrUInt):PHeapBlock; inline;(Size:PtrUInt):PHeapBlock; inline;</pre>
 
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' Get a free block of at least the size indicated</div>
 
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' Get a free block of at least the size indicated</div>
 
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
 
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
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<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
 
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
−
<pre style="border: 0; padding-bottom:0px;">function SysGetMem(Size:PtrUInt):Pointer;</pre>
+
<pre style="border: 0; padding-bottom:0px;">function SysGetMem(Size:PtrUInt):Pointer; inline;</pre>
 
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' Allocate a block of normal memory</div>
 
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' Allocate a block of normal memory</div>
 
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
 
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
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|-
 
|-
 
! Note
 
! Note
−
| None documented
+
| Not inlined to AllocMemEx to save extra call from memory manager
 
|-
 
|-
 
|}
 
|}
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<br />
 
<br />
 
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
 
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
−
<pre style="border: 0; padding-bottom:0px;">function SysReAllocMem(var Addr:Pointer; Size:PtrUInt):Pointer;</pre>
+
<pre style="border: 0; padding-bottom:0px;">function SysReAllocMem(var Addr:Pointer; Size:PtrUInt):Pointer; inline;</pre>
 
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' Reallocate a block of normal memory</div>
 
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' Reallocate a block of normal memory</div>
 
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
 
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">

Latest revision as of 03:41, 10 January 2023

Return to Unit Reference


Description

Ultibo Heap Manager Interface unit

Constants


[Expand]
Heap specific constants HEAP_MIN_*


[Expand]
Heap signature HEAP_SIGNATURE_*


[Expand]
Heap block state HEAP_STATE_*


[Expand]
Heap block flag HEAP_FLAG_*


[Expand]
Heap small block HEAP_SMALL_*


Type definitions


Heap callback

THeapCallback = function(Size:PtrUInt):LongWord;

Heap block

[Expand]

PHeapBlock = ^THeapBlock;

THeapBlock = record

Heap small blocks

[Expand]

PSmallBlocks = ^TSmallBlocks;

TSmallBlocks = array[HEAP_SMALL_LOW..HEAP_SMALL_HIGH] of PHeapBlock;

Heap lock

[Expand]

PHeapLock = ^THeapLock;

THeapLock = record

Heap statistics

[Expand]

PHeapStatistics = ^THeapStatistics;

THeapStatistics = record

Heap snapshot

[Expand]

PHeapSnapshot = ^THeapSnapshot;

THeapSnapshot = record


Public variables

None defined

Function declarations


Initialization functions

[Expand] 
procedure RegisterMemoryManager;
Description: To be documented


[Expand] 
procedure RegisterHeapBlock(Address:Pointer; Size:PtrUInt);
Description: To be documented


[Expand] 
function ReserveHeapBlock(Address:Pointer; Size:PtrUInt):Pointer;
Description: Request the Heap Block specified by address and size be reserved from allocation


[Expand] 
function RequestHeapBlock(Hint:Pointer; Size:PtrUInt; Flags,Affinity:LongWord):Pointer;
Description: Request registration a Heap Block with specified flags and affinity within an existing block


[Expand] 
function RequestSharedHeapBlock(Hint:Pointer; Size:PtrUInt):Pointer;
Description: Request registration of a Shared Heap Block within an existing block


[Expand] 
function RequestLocalHeapBlock(Hint:Pointer; Size:PtrUInt; Affinity:LongWord):Pointer;
Description: Request registration of a Local Heap Block within an existing block


[Expand] 
function RequestCodeHeapBlock(Hint:Pointer; Size:PtrUInt; Affinity:LongWord):Pointer;
Description: Request registration of a Code Heap Block within an existing block


[Expand] 
function RequestDeviceHeapBlock(Hint:Pointer; Size:PtrUInt):Pointer;
Description: Request registration of a Device Heap Block within an existing block


[Expand] 
function RequestNoCacheHeapBlock(Hint:Pointer; Size:PtrUInt):Pointer;
Description: Request registration of a Non Cached Heap Block within an existing block


[Expand] 
function RequestNonSharedHeapBlock(Hint:Pointer; Size:PtrUInt):Pointer;
Description: Request registration of a Non Shared Heap Block within an existing block


[Expand] 
function RequestIRQHeapBlock(Hint:Pointer; Size:PtrUInt; Affinity:LongWord):Pointer;
Description: Request registration of an IRQ Heap Block within an existing block


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function RequestFIQHeapBlock(Hint:Pointer; Size:PtrUInt; Affinity:LongWord):Pointer;
Description: Request registration of an FIQ Heap Block within an existing block


Heap functions

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function GetMemEx(Size:PtrUInt; Flags,Affinity:LongWord):Pointer;
Description: Allocate a block of memory with the flags and affinity requested


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function GetAlignedMem(Size,Alignment:PtrUInt):Pointer; inline;
Description: Allocate a block of normal memory aligned on a multiple of the alignment value


[Expand] 
function GetAlignedMemEx(Size,Alignment:PtrUInt; Flags,Affinity:LongWord):Pointer;
Description: Allocate a block of memory aligned on a multiple of the alignment value with the flags and affinity requested


[Expand] 
function GetSharedMem(Size:PtrUInt):Pointer;
Description: Allocate a block of shared memory


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function GetSharedAlignedMem(Size,Alignment:PtrUInt):Pointer;
Description: Allocate a block of shared memory aligned on a multiple of the alignment value


[Expand] 
function GetLocalMem(Size:PtrUInt; Affinity:LongWord):Pointer;
Description: Allocate a block of local memory


[Expand] 
function GetLocalAlignedMem(Size,Alignment:PtrUInt; Affinity:LongWord):Pointer;
Description: Allocate a block of local memory aligned on a multiple of the alignment value


[Expand] 
function GetCodeMem(Size:PtrUInt; Affinity:LongWord):Pointer;
Description: Allocate a block of code memory


[Expand] 
function GetCodeAlignedMem(Size,Alignment:PtrUInt; Affinity:LongWord):Pointer;
Description: Allocate a block of code memory aligned on a multiple of the alignment value


[Expand] 
function GetDeviceMem(Size:PtrUInt):Pointer;
Description: Allocate a block of device memory


[Expand] 
function GetDeviceAlignedMem(Size,Alignment:PtrUInt):Pointer;
Description: Allocate a block of device memory aligned on a multiple of the alignment value


[Expand] 
function GetNoCacheMem(Size:PtrUInt):Pointer;
Description: Allocate a block of non cached memory


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function GetNoCacheAlignedMem(Size,Alignment:PtrUInt):Pointer;
Description: Allocate a block of non cached memory aligned on a multiple of the alignment value


[Expand] 
function GetNonSharedMem(Size:PtrUInt):Pointer;
Description: Allocate a block of non shared memory


[Expand] 
function GetNonSharedAlignedMem(Size,Alignment:PtrUInt):Pointer;
Description: Allocate a block of non shared memory aligned on a multiple of the alignment value


[Expand] 
function GetIRQMem(Size:PtrUInt; Affinity:LongWord):Pointer;
Description: Allocate a block of IRQ memory


[Expand] 
function GetIRQAlignedMem(Size,Alignment:PtrUInt; Affinity:LongWord):Pointer;
Description: Allocate a block of IRQ memory aligned on a multiple of the alignment value


[Expand] 
function GetFIQMem(Size:PtrUInt; Affinity:LongWord):Pointer;
Description: Allocate a block of FIQ memory


[Expand] 
function GetFIQAlignedMem(Size,Alignment:PtrUInt; Affinity:LongWord):Pointer;
Description: Allocate a block of FIQ memory aligned on a multiple of the alignment value


[Expand] 
function FreeIRQMem(Addr:Pointer):PtrUInt;
Description: Free a block of IRQ memory


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function FreeFIQMem(Addr:Pointer):PtrUInt;
Description: Free a block of FIQ memory


[Expand] 
function AllocMemEx(Size:PtrUInt; Flags,Affinity:LongWord):Pointer;
Description: Allocate and clear a block of memory with the flags and affinity requested


[Expand] 
function ReAllocMemEx(var Addr:Pointer; Size:PtrUInt; Flags,Affinity:LongWord):Pointer;
Description: Reallocate a block of memory with the flags and affinity requested


[Expand] 
function AllocAlignedMem(Size,Alignment:PtrUInt):Pointer; inline;
Description: Allocate and clear a block of normal memory aligned on a multiple of the alignment value


[Expand] 
function AllocAlignedMemEx(Size,Alignment:PtrUInt; Flags,Affinity:LongWord):Pointer;
Description: Allocate and clear a block of normal memory aligned on a multiple of the alignment value with the flags and affinity requested


[Expand] 
function ReAllocAlignedMem(var Addr:Pointer; Size,Alignment:PtrUInt):Pointer; inline;
Description: Reallocate a block of normal memory aligned on a multiple of the alignment value


[Expand] 
function ReAllocAlignedMemEx(var Addr:Pointer; Size,Alignment:PtrUInt; Flags,Affinity:LongWord):Pointer;
Description: Reallocate a block of memory aligned on a multiple of the alignment value with the flags and affinity requested


[Expand] 
function AllocSharedMem(Size:PtrUInt):Pointer;
Description: Allocate and clear a block of shared memory


[Expand] 
function AllocSharedAlignedMem(Size,Alignment:PtrUInt):Pointer;
Description: Allocate and clear a block of shared memory aligned on a multiple of the alignment value


[Expand] 
function ReAllocSharedMem(var Addr:Pointer; Size:PtrUInt):Pointer;
Description: Reallocate a block of shared memory


[Expand] 
function ReAllocSharedAlignedMem(var Addr:Pointer; Size,Alignment:PtrUInt):Pointer;
Description: Reallocate a block of shared memory aligned on a multiple of the alignment value


[Expand] 
function AllocLocalMem(Size:PtrUInt; Affinity:LongWord):Pointer;
Description: Allocate and clear a block of local memory


[Expand] 
function AllocLocalAlignedMem(Size,Alignment:PtrUInt; Affinity:LongWord):Pointer;
Description: Allocate and clear a block of local memory aligned on a multiple of the alignment value


[Expand] 
function ReAllocLocalMem(var Addr:Pointer; Size:PtrUInt; Affinity:LongWord):Pointer;
Description: Reallocate a block of local memory


[Expand] 
function ReAllocLocalAlignedMem(var Addr:Pointer; Size,Alignment:PtrUInt; Affinity:LongWord):Pointer;
Description: Reallocate a block of local memory aligned on a multiple of the alignment value


[Expand] 
function AllocCodeMem(Size:PtrUInt; Affinity:LongWord):Pointer;
Description: Allocate and clear a block of code memory


[Expand] 
function AllocCodeAlignedMem(Size,Alignment:PtrUInt; Affinity:LongWord):Pointer;
Description: Allocate and clear a block of code memory aligned on a multiple of the alignment value


[Expand] 
function ReAllocCodeMem(var Addr:Pointer; Size:PtrUInt; Affinity:LongWord):Pointer;
Description: Reallocate a block of code memory


[Expand] 
function ReAllocCodeAlignedMem(var Addr:Pointer; Size,Alignment:PtrUInt; Affinity:LongWord):Pointer;
Description: Reallocate a block of code memory aligned on a multiple of the alignment value


[Expand] 
function AllocDeviceMem(Size:PtrUInt):Pointer;
Description: Allocate and clear a block of device memory


[Expand] 
function AllocDeviceAlignedMem(Size,Alignment:PtrUInt):Pointer;
Description: Allocate and clear a block of device memory aligned on a multiple of the alignment value


[Expand] 
function ReAllocDeviceMem(var Addr:Pointer; Size:PtrUInt):Pointer;
Description: Reallocate a block of device memory


[Expand] 
function ReAllocDeviceAlignedMem(var Addr:Pointer; Size,Alignment:PtrUInt):Pointer;
Description: Reallocate a block of device memory aligned on a multiple of the alignment value


[Expand] 
function AllocNoCacheMem(Size:PtrUInt):Pointer;
Description: Allocate and clear a block of non cached memory


[Expand] 
function AllocNoCacheAlignedMem(Size,Alignment:PtrUInt):Pointer;
Description: Allocate and clear a block of non cached memory aligned on a multiple of the alignment value


[Expand] 
function ReAllocNoCacheMem(var Addr:Pointer; Size:PtrUInt):Pointer;
Description: Reallocate a block of non cached memory


[Expand] 
function ReAllocNoCacheAlignedMem(var Addr:Pointer; Size,Alignment:PtrUInt):Pointer;
Description: Reallocate a block of non cached memory aligned on a multiple of the alignment value


[Expand] 
function AllocNonSharedMem(Size:PtrUInt):Pointer;
Description: Allocate and clear a block of non shared memory


[Expand] 
function AllocNonSharedAlignedMem(Size,Alignment:PtrUInt):Pointer;
Description: Allocate and clear a block of non shared memory aligned on a multiple of the alignment value


[Expand] 
function ReAllocNonSharedMem(var Addr:Pointer; Size:PtrUInt):Pointer;
Description: Reallocate a block of non shared memory


[Expand] 
function ReAllocNonSharedAlignedMem(var Addr:Pointer; Size,Alignment:PtrUInt):Pointer;
Description: Reallocate a block of non shared memory aligned on a multiple of the alignment value


[Expand] 
function AllocIRQMem(Size:PtrUInt; Affinity:LongWord):Pointer;
Description: Allocate and clear a block of IRQ memory


[Expand] 
function AllocIRQAlignedMem(Size,Alignment:PtrUInt; Affinity:LongWord):Pointer;
Description: Allocate and clear a block of IRQ memory aligned on a multiple of the alignment value


[Expand] 
function ReAllocIRQMem(var Addr:Pointer; Size:PtrUInt; Affinity:LongWord):Pointer;
Description: Reallocate a block of IRQ memory


[Expand] 
function ReAllocIRQAlignedMem(var Addr:Pointer; Size,Alignment:PtrUInt; Affinity:LongWord):Pointer;
Description: Reallocate a block of IRQ memory aligned on a multiple of the alignment value


[Expand] 
function AllocFIQMem(Size:PtrUInt; Affinity:LongWord):Pointer;
Description: Allocate and clear a block of FIQ memory


[Expand] 
function AllocFIQAlignedMem(Size,Alignment:PtrUInt; Affinity:LongWord):Pointer;
Description: Allocate and clear a block of FIQ memory aligned on a multiple of the alignment value


[Expand] 
function ReAllocFIQMem(var Addr:Pointer; Size:PtrUInt; Affinity:LongWord):Pointer;
Description: Reallocate a block of FIQ memory


[Expand] 
function ReAllocFIQAlignedMem(var Addr:Pointer; Size,Alignment:PtrUInt; Affinity:LongWord):Pointer;
Description: Reallocate a block of FIQ memory aligned on a multiple of the alignment value


[Expand] 
function SizeFIQMem(Addr:Pointer):PtrUInt;
Description: Return the size of an allocated block of FIQ memory


[Expand] 
function MemFlags(Addr:Pointer):LongWord;
Description: Return the flags of an allocated block of memory


[Expand] 
function MemFlagsIRQ(Addr:Pointer):LongWord;
Description: Return the flags of an allocated block of IRQ memory


[Expand] 
function MemFlagsFIQ(Addr:Pointer):LongWord;
Description: Return the flags of an allocated block of FIQ memory


[Expand] 
function GetHeapStatistics:THeapStatistics;
Description: Return detailed statistics for the heap manager


[Expand] 
function GetHeapBlockCount(State:LongWord):LongWord;
Description: Get the total number of current heap blocks based on state


[Expand] 
function GetHeapBlockCountEx(State,Flags,Affinity:LongWord):LongWord;
Description: Get the number of current heap blocks based on state, flags and affinity


[Expand] 
function GetHeapBlockMin(State:LongWord):LongWord;
Description: Get the minimum size of current heap blocks based on state


[Expand] 
function GetHeapBlockMinEx(State,Flags,Affinity:LongWord):LongWord;
Description: Get the minimum size of current heap blocks based on state, flags and affinity


[Expand] 
function GetHeapBlockMax(State:LongWord):LongWord;
Description: Get the maximum size of current heap blocks based on state


[Expand] 
function GetHeapBlockMaxEx(State,Flags,Affinity:LongWord):LongWord;
Description: Get the maximum size of current heap blocks based on state, flags and affinity


[Expand] 
function CreateHeapSnapshot(State:LongWord):PHeapSnapshot;
Description: To be documented


[Expand] 
function CreateHeapSnapshotEx(State,Flags,Affinity:LongWord):PHeapSnapshot;
Description: To be documented


[Expand] 
function DestroyHeapSnapshot(Snapshot:PHeapSnapshot):LongWord;
Description: To be documented


Internal functions

[Expand] 
function GetHeapBlock(Address:Pointer):PHeapBlock;
Description: Get the Heap Block referenced by Address


[Expand] 
function FindHeapBlock(Address:Pointer; Size:PtrUInt):PHeapBlock;
Description: Find the Heap Block containing Address up to the Size specified


[Expand] 
function AddHeapBlock(Block:PHeapBlock):Boolean;
Description: Add a heap block, sorted by ascending Address order


[Expand] 
function SplitHeapBlock(Block:PHeapBlock; Size:PtrUInt):PHeapBlock;
Description: Split a heap block at the size indicated


[Expand] 
function MergeHeapBlock(Block:PHeapBlock):PHeapBlock;
Description: Merge a heap block with Prev or Next blocks if free


[Expand] 
function function GetFreeBlock(Size:PtrUInt):PHeapBlock; inline;(Size:PtrUInt):PHeapBlock; inline;
Description: Get a free block of at least the size indicated


[Expand] 
function GetFreeBlockEx(Size:PtrUInt; Flags,Affinity:LongWord):PHeapBlock;
Description: Get a free block of at least the size indicated with the flags and affinity requested


[Expand] 
function FindFreeBlock(Size:PtrUInt):PHeapBlock;
Description: Find a free block of at least the size indicated with no flags or affinity which is alignable to the HEAP_REQUEST_ALIGNMENT value


[Expand] 
function AddFreeBlock(Block:PHeapBlock):Boolean;
Description: Add a free block, sorted by ascending Size order


[Expand] 
function RemoveFreeBlock(Block:PHeapBlock):Boolean;
Description: Remove a free block


[Expand] 
function GetUsedBlock(Address:Pointer):PHeapBlock;
Description: Get a used block by address


[Expand] 
function CheckUsedBlock(Address:Pointer):Boolean; inline;
Description: Check a used block by address


[Expand] 
function AddUsedBlock(Block:PHeapBlock):Boolean;
Description: Add a used block


[Expand] 
function RemoveUsedBlock(Block:PHeapBlock):Boolean;
Description: Remove a used block


[Expand] 
function GetIRQBlock(Address:Pointer):PHeapBlock;
Description: Get the IRQ Heap Block referenced by Address


[Expand] 
function CheckIRQBlock(Address:Pointer):Boolean;
Description: Check the IRQ Heap Block referenced by Address


[Expand] 
function AddIRQBlock(Block:PHeapBlock):Boolean;
Description: Add an IRQ heap block, sorted by ascending Address order


[Expand] 
function SplitIRQBlock(Block:PHeapBlock; Size:PtrUInt):PHeapBlock;
Description: Split an IRQ heap block at the size indicated


[Expand] 
function MergeIRQBlock(Block:PHeapBlock):PHeapBlock;
Description: Merge an IRQ heap block with Prev or Next blocks if free


[Expand] 
function GetFreeIRQBlock(Size:PtrUInt; Affinity:LongWord):PHeapBlock;
Description: Get a free IRQ block of at least the size indicated


[Expand] 
function AddFreeIRQBlock(Block:PHeapBlock):Boolean;
Description: Add a free IRQ block, sorted by ascending Size order


[Expand] 
function RemoveFreeIRQBlock(Block:PHeapBlock):Boolean;
Description: Remove a free IRQ block


[Expand] 
function GetFIQBlock(Address:Pointer):PHeapBlock;
Description: Get the FIQ Heap Block referenced by Address


[Expand] 
function CheckFIQBlock(Address:Pointer):Boolean;
Description: Check the FIQ Heap Block referenced by Address


[Expand] 
function AddFIQBlock(Block:PHeapBlock):Boolean;
Description: Add an FIQ heap block, sorted by ascending Address order


[Expand] 
function SplitFIQBlock(Block:PHeapBlock; Size:PtrUInt):PHeapBlock;
Description: Split an FIQ heap block at the size indicated


[Expand] 
function MergeFIQBlock(Block:PHeapBlock):PHeapBlock;
Description: Merge an FIQ heap block with Prev or Next blocks if free


[Expand] 
function GetFreeFIQBlock(Size:PtrUInt; Affinity:LongWord):PHeapBlock;
Description: Get a free FIQ block of at least the size indicated


[Expand] 
function AddFreeFIQBlock(Block:PHeapBlock):Boolean;
Description: Add a free FIQ block, sorted by ascending Size order


[Expand] 
function RemoveFreeFIQBlock(Block:PHeapBlock):Boolean;
Description: Remove a free FIQ block


RTL heap manager functions

[Expand] 
function SysGetMem(Size:PtrUInt):Pointer; inline;
Description: Allocate a block of normal memory


[Expand] 
function SysFreeMem(Addr:Pointer):PtrUInt;
Description: Free a block of memory


[Expand] 
function SysFreeMemSize(Addr:Pointer; Size:PtrUInt):PtrUInt;
Description: Free a block of memory


[Expand] 
function SysAllocMem(Size:PtrUInt):Pointer;
Description: Allocate and clear a block of normal memory


[Expand] 
function SysReAllocMem(var Addr:Pointer; Size:PtrUInt):Pointer; inline;
Description: Reallocate a block of normal memory


[Expand] 
function SysSizeMem(Addr:Pointer):PtrUInt;
Description: Return the size of an allocated block of memory


[Expand] 
procedure SysInitThread;
Description: Initialize thread specific heap information


[Expand] 
procedure SysDoneThread;
Description: Finalize thread specific heap information


[Expand] 
procedure SysRelocateHeap;
Description: Relocate heap data


[Expand] 
function SysGetHeapStatus:THeapStatus;
Description: Return status information for the heap manager


[Expand] 
function SysGetFPCHeapStatus:TFPCHeapStatus;
Description: Return status information for the heap manager


Helper functions

[Expand] 
procedure AcquireHeapLock; inline;
Description: To be documented


[Expand] 
procedure ReleaseHeapLock; inline;
Description: To be documented


[Expand] 
procedure AcquireHeapIRQLock; inline;
Description: To be documented


[Expand] 
procedure ReleaseHeapIRQLock; inline;
Description: To be documented


[Expand] 
procedure AcquireHeapFIQLock; inline;
Description: To be documented


[Expand] 
procedure ReleaseHeapFIQLock; inline;
Description: To be documented


[Expand] 
procedure RegisterHeapLock(const Lock:THeapLock);
Description: To be documented


[Expand] 
function HeapStateToString(State:LongWord):String;
Description: To be documented


Return to Unit Reference

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