wut  v1.5.0
Wii U Toolchain
memblockheap.h
Go to the documentation of this file.
1 #pragma once
2 #include <wut.h>
3 #include "memheap.h"
4 
11 #ifdef __cplusplus
12 extern "C" {
13 #endif
14 
15 typedef struct MEMBlockHeapBlock MEMBlockHeapBlock;
16 typedef struct MEMBlockHeapTracking MEMBlockHeapTracking;
17 typedef struct MEMBlockHeap MEMBlockHeap;
18 
19 struct MEMBlockHeapTracking
20 {
21  WUT_UNKNOWN_BYTES(0x8);
22 
24  MEMBlockHeapBlock *blocks;
25 
27  uint32_t blockCount;
28 };
29 WUT_CHECK_OFFSET(MEMBlockHeapTracking, 0x08, blocks);
30 WUT_CHECK_OFFSET(MEMBlockHeapTracking, 0x0C, blockCount);
31 WUT_CHECK_SIZE(MEMBlockHeapTracking, 0x10);
32 
33 struct MEMBlockHeapBlock
34 {
36  void *start;
37 
39  void *end;
40 
42  BOOL isFree;
43 
45  MEMBlockHeapBlock *prev;
46 
48  MEMBlockHeapBlock *next;
49 };
50 WUT_CHECK_OFFSET(MEMBlockHeapBlock, 0x00, start);
51 WUT_CHECK_OFFSET(MEMBlockHeapBlock, 0x04, end);
52 WUT_CHECK_OFFSET(MEMBlockHeapBlock, 0x08, isFree);
53 WUT_CHECK_OFFSET(MEMBlockHeapBlock, 0x0c, prev);
54 WUT_CHECK_OFFSET(MEMBlockHeapBlock, 0x10, next);
55 WUT_CHECK_SIZE(MEMBlockHeapBlock, 0x14);
56 
57 struct WUT_PACKED MEMBlockHeap
58 {
59  MEMHeapHeader header;
60 
62  MEMBlockHeapTracking defaultTrack;
63 
65  MEMBlockHeapBlock defaultBlock;
66 
68  MEMBlockHeapBlock *firstBlock;
69 
71  MEMBlockHeapBlock *lastBlock;
72 
74  MEMBlockHeapBlock *firstFreeBlock;
75 
77  uint32_t numFreeBlocks;
78 };
79 WUT_CHECK_OFFSET(MEMBlockHeap, 0x00, header);
80 WUT_CHECK_OFFSET(MEMBlockHeap, 0x40, defaultTrack);
81 WUT_CHECK_OFFSET(MEMBlockHeap, 0x50, defaultBlock);
82 WUT_CHECK_OFFSET(MEMBlockHeap, 0x64, firstBlock);
83 WUT_CHECK_OFFSET(MEMBlockHeap, 0x68, lastBlock);
84 WUT_CHECK_OFFSET(MEMBlockHeap, 0x6C, firstFreeBlock);
85 WUT_CHECK_OFFSET(MEMBlockHeap, 0x70, numFreeBlocks);
86 WUT_CHECK_SIZE(MEMBlockHeap, 0x74);
87 
88 MEMHeapHandle
89 MEMInitBlockHeap(MEMBlockHeap *heap,
90  void *start,
91  void *end,
92  MEMBlockHeapTracking *blocks,
93  uint32_t size,
94  uint32_t flags);
95 
96 void *
97 MEMDestroyBlockHeap(MEMHeapHandle heap);
98 
99 int
100 MEMAddBlockHeapTracking(MEMHeapHandle heap,
101  MEMBlockHeapTracking *tracking,
102  uint32_t size);
103 
104 void *
105 MEMAllocFromBlockHeapAt(MEMHeapHandle heap,
106  void *addr,
107  uint32_t size);
108 
109 void *
110 MEMAllocFromBlockHeapEx(MEMHeapHandle heap,
111  uint32_t size,
112  int32_t align);
113 
114 void
115 MEMFreeToBlockHeap(MEMHeapHandle heap,
116  void *data);
117 
118 uint32_t
119 MEMGetAllocatableSizeForBlockHeapEx(MEMHeapHandle heap,
120  int32_t align);
121 
122 uint32_t
123 MEMGetTrackingLeftInBlockHeap(MEMHeapHandle heap);
124 
125 uint32_t
126 MEMGetTotalFreeSizeForBlockHeap(MEMHeapHandle heap);
127 
128 #ifdef __cplusplus
129 }
130 #endif
131 
MEMBlockHeap::header
MEMHeapHeader header
Definition: memblockheap.h:59
MEMBlockHeapBlock::next
MEMBlockHeapBlock * next
Link to next block, always set.
Definition: memblockheap.h:48
MEMBlockHeapTracking::blockCount
uint32_t blockCount
Number of blocks in this tracking heap.
Definition: memblockheap.h:27
MEMBlockHeap::firstBlock
MEMBlockHeapBlock * firstBlock
First block in this heap.
Definition: memblockheap.h:68
MEMBlockHeap::numFreeBlocks
uint32_t numFreeBlocks
Free block count.
Definition: memblockheap.h:77
MEMBlockHeapTracking::blocks
MEMBlockHeapBlock * blocks
Pointer to first memory block.
Definition: memblockheap.h:21
MEMBlockHeapBlock::start
void * start
First address of the data region this block has allocated.
Definition: memblockheap.h:36
MEMBlockHeapBlock::end
void * end
End address of the data region this block has allocated.
Definition: memblockheap.h:39
MEMBlockHeap::firstFreeBlock
MEMBlockHeapBlock * firstFreeBlock
First free block.
Definition: memblockheap.h:74
MEMBlockHeapBlock::isFree
BOOL isFree
TRUE if the block is free, FALSE if allocated.
Definition: memblockheap.h:42
MEMBlockHeap::defaultBlock
MEMBlockHeapBlock defaultBlock
Default block, used so we don't have an empty block list.
Definition: memblockheap.h:65
MEMBlockHeapBlock::prev
MEMBlockHeapBlock * prev
Link to previous block, note that this is only set for allocated blocks.
Definition: memblockheap.h:45
MEMBlockHeap::defaultTrack
MEMBlockHeapTracking defaultTrack
Default tracking heap, tracks only defaultBlock.
Definition: memblockheap.h:62
MEMBlockHeap::lastBlock
MEMBlockHeapBlock * lastBlock
Last block in this heap.
Definition: memblockheap.h:71
MEMAllocFromBlockHeapEx
void * MEMAllocFromBlockHeapEx(MEMHeapHandle heap, uint32_t size, int32_t align)
MEMAddBlockHeapTracking
int MEMAddBlockHeapTracking(MEMHeapHandle heap, MEMBlockHeapTracking *tracking, uint32_t size)
MEMGetTrackingLeftInBlockHeap
uint32_t MEMGetTrackingLeftInBlockHeap(MEMHeapHandle heap)
MEMInitBlockHeap
MEMHeapHandle MEMInitBlockHeap(MEMBlockHeap *heap, void *start, void *end, MEMBlockHeapTracking *blocks, uint32_t size, uint32_t flags)
MEMAllocFromBlockHeapAt
void * MEMAllocFromBlockHeapAt(MEMHeapHandle heap, void *addr, uint32_t size)
MEMDestroyBlockHeap
void * MEMDestroyBlockHeap(MEMHeapHandle heap)
MEMGetTotalFreeSizeForBlockHeap
uint32_t MEMGetTotalFreeSizeForBlockHeap(MEMHeapHandle heap)
MEMFreeToBlockHeap
void MEMFreeToBlockHeap(MEMHeapHandle heap, void *data)
MEMGetAllocatableSizeForBlockHeapEx
uint32_t MEMGetAllocatableSizeForBlockHeapEx(MEMHeapHandle heap, int32_t align)
MEMBlockHeap
Definition: memblockheap.h:58
MEMBlockHeapBlock
Definition: memblockheap.h:34
MEMBlockHeapTracking
Definition: memblockheap.h:20
MEMHeapHeader
Definition: memheap.h:52
BOOL
int32_t BOOL
Definition: wut_types.h:7
Generated by doxygen 1.9.1