1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
|
#include "global.h"
#include "system_malloc.h"
typedef void (*BlockFunc)(void*);
typedef void (*BlockFunc1)(void*, u32);
typedef void (*BlockFunc8)(void*, u32, u32, u32, u32, u32, u32, u32, u32);
typedef struct InitFunc {
uintptr_t nextOffset;
void (*func)(void);
} InitFunc;
void* sInitFuncs = NULL;
char sNew[] = { 0x00, 0x00, 0x00, 0x00 };
char D_80097508[] = {
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x7F, 0x80, 0x00, 0x00,
0xFF, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0x00, 0x00, 0x00,
};
void* SystemArena_MallocMin1(size_t size) {
if (size == 0) {
size = 1;
}
return __osMalloc(&gSystemArena, size);
}
void SystemArena_FreeNullCheck(void* ptr) {
if (ptr != NULL) {
__osFree(&gSystemArena, ptr);
}
}
void SystemArena_RunBlockFunc(void* blk, size_t nBlk, size_t blkSize, BlockFunc blockFunc) {
uintptr_t pos = blk;
for (; pos < (uintptr_t)blk + (nBlk * blkSize); pos += (blkSize & ~0)) {
blockFunc(pos);
}
}
void SystemArena_RunBlockFunc1(void* blk, size_t nBlk, size_t blkSize, BlockFunc1 blockFunc) {
uintptr_t pos = blk;
for (; pos < (uintptr_t)blk + (nBlk * blkSize); pos += (blkSize & ~0)) {
blockFunc(pos, 2);
}
}
void* SystemArena_RunBlockFunc8(void* blk, size_t nBlk, size_t blkSize, BlockFunc8 blockFunc) {
if (blk == NULL) {
blk = SystemArena_MallocMin1(nBlk * blkSize);
}
if (blk != NULL && blockFunc != NULL) {
uintptr_t pos = blk;
for (; pos < (uintptr_t)blk + (nBlk * blkSize); pos += (blkSize & ~0)) {
blockFunc(pos, 0, 0, 0, 0, 0, 0, 0, 0);
}
}
return blk;
}
void SystemArena_RunBlockFunc1Reverse(void* blk, size_t nBlk, size_t blkSize, BlockFunc1 blockFunc, s32 shouldFree) {
uintptr_t pos;
uintptr_t start;
size_t maskedBlkSize;
if (blk == NULL) {
return;
}
if (blockFunc != NULL) {
start = blk;
maskedBlkSize = (blkSize & ~0);
pos = (uintptr_t)start + (nBlk * blkSize);
while (pos > start) {
pos -= maskedBlkSize;
blockFunc(pos, 2);
}
}
if (shouldFree) {
SystemArena_FreeNullCheck(blk);
}
}
void SystemArena_RunInits(void) {
InitFunc* initFunc = (InitFunc*)&sInitFuncs;
u32 nextOffset = initFunc->nextOffset;
InitFunc* prev = NULL;
while (nextOffset != 0) {
initFunc = (InitFunc*)((uintptr_t)initFunc + nextOffset);
if (initFunc->func != NULL) {
(*initFunc->func)();
}
nextOffset = initFunc->nextOffset;
initFunc->nextOffset = (uintptr_t)prev;
prev = initFunc;
}
sInitFuncs = prev;
}
void SystemArena_Init(void* start, size_t size) {
SystemArena_InitArena(start, size);
SystemArena_RunInits();
}
|