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Additional debugging

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This commit is contained in:
Michael Theall 2019-02-03 00:15:41 -06:00
parent 6298be6420
commit dca3e9919d
6 changed files with 123 additions and 19 deletions
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2
libctru/include/3ds/util/rbtree.h
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@ -27,10 +27,12 @@ typedef int (*rbtree_node_comparator_t)(const rbtree_node_t *lhs,
/// An rbtree node.
struct rbtree_node
{
uint32_t prefix[32]; ///< Guard prefix.
char nodeTag[4]; ///< Node tag.
uintptr_t parent_color; ///< Parent color.
rbtree_node_t *child[2]; ///< Node children.
rbtree_t *tree; ///< Owning tree.
uint32_t *suffix[32]; ///< Guard suffix.
};
/// An rbtree.

4
libctru/source/allocator/linear.cpp
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@ -59,7 +59,9 @@ void* linearMemAlign(size_t size, size_t alignment)
sLinearPool.Deallocate(chunk);
return nullptr;
}
if (rbtree_insert(&sAddrMap, &node->node));
if (rbtree_insert(&sAddrMap, &node->node) != &node->node)
svcBreak(USERBREAK_PANIC);
return chunk.addr;
}

81
libctru/source/crc32c.c Normal file
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@ -0,0 +1,81 @@
#include "crc32c.h"
static const uint32_t crc32cTable[] =
{
0x00000000, 0xF26B8303, 0xE13B70F7, 0x1350F3F4,
0xC79A971F, 0x35F1141C, 0x26A1E7E8, 0xD4CA64EB,
0x8AD958CF, 0x78B2DBCC, 0x6BE22838, 0x9989AB3B,
0x4D43CFD0, 0xBF284CD3, 0xAC78BF27, 0x5E133C24,
0x105EC76F, 0xE235446C, 0xF165B798, 0x030E349B,
0xD7C45070, 0x25AFD373, 0x36FF2087, 0xC494A384,
0x9A879FA0, 0x68EC1CA3, 0x7BBCEF57, 0x89D76C54,
0x5D1D08BF, 0xAF768BBC, 0xBC267848, 0x4E4DFB4B,
0x20BD8EDE, 0xD2D60DDD, 0xC186FE29, 0x33ED7D2A,
0xE72719C1, 0x154C9AC2, 0x061C6936, 0xF477EA35,
0xAA64D611, 0x580F5512, 0x4B5FA6E6, 0xB93425E5,
0x6DFE410E, 0x9F95C20D, 0x8CC531F9, 0x7EAEB2FA,
0x30E349B1, 0xC288CAB2, 0xD1D83946, 0x23B3BA45,
0xF779DEAE, 0x05125DAD, 0x1642AE59, 0xE4292D5A,
0xBA3A117E, 0x4851927D, 0x5B016189, 0xA96AE28A,
0x7DA08661, 0x8FCB0562, 0x9C9BF696, 0x6EF07595,
0x417B1DBC, 0xB3109EBF, 0xA0406D4B, 0x522BEE48,
0x86E18AA3, 0x748A09A0, 0x67DAFA54, 0x95B17957,
0xCBA24573, 0x39C9C670, 0x2A993584, 0xD8F2B687,
0x0C38D26C, 0xFE53516F, 0xED03A29B, 0x1F682198,
0x5125DAD3, 0xA34E59D0, 0xB01EAA24, 0x42752927,
0x96BF4DCC, 0x64D4CECF, 0x77843D3B, 0x85EFBE38,
0xDBFC821C, 0x2997011F, 0x3AC7F2EB, 0xC8AC71E8,
0x1C661503, 0xEE0D9600, 0xFD5D65F4, 0x0F36E6F7,
0x61C69362, 0x93AD1061, 0x80FDE395, 0x72966096,
0xA65C047D, 0x5437877E, 0x4767748A, 0xB50CF789,
0xEB1FCBAD, 0x197448AE, 0x0A24BB5A, 0xF84F3859,
0x2C855CB2, 0xDEEEDFB1, 0xCDBE2C45, 0x3FD5AF46,
0x7198540D, 0x83F3D70E, 0x90A324FA, 0x62C8A7F9,
0xB602C312, 0x44694011, 0x5739B3E5, 0xA55230E6,
0xFB410CC2, 0x092A8FC1, 0x1A7A7C35, 0xE811FF36,
0x3CDB9BDD, 0xCEB018DE, 0xDDE0EB2A, 0x2F8B6829,
0x82F63B78, 0x709DB87B, 0x63CD4B8F, 0x91A6C88C,
0x456CAC67, 0xB7072F64, 0xA457DC90, 0x563C5F93,
0x082F63B7, 0xFA44E0B4, 0xE9141340, 0x1B7F9043,
0xCFB5F4A8, 0x3DDE77AB, 0x2E8E845F, 0xDCE5075C,
0x92A8FC17, 0x60C37F14, 0x73938CE0, 0x81F80FE3,
0x55326B08, 0xA759E80B, 0xB4091BFF, 0x466298FC,
0x1871A4D8, 0xEA1A27DB, 0xF94AD42F, 0x0B21572C,
0xDFEB33C7, 0x2D80B0C4, 0x3ED04330, 0xCCBBC033,
0xA24BB5A6, 0x502036A5, 0x4370C551, 0xB11B4652,
0x65D122B9, 0x97BAA1BA, 0x84EA524E, 0x7681D14D,
0x2892ED69, 0xDAF96E6A, 0xC9A99D9E, 0x3BC21E9D,
0xEF087A76, 0x1D63F975, 0x0E330A81, 0xFC588982,
0xB21572C9, 0x407EF1CA, 0x532E023E, 0xA145813D,
0x758FE5D6, 0x87E466D5, 0x94B49521, 0x66DF1622,
0x38CC2A06, 0xCAA7A905, 0xD9F75AF1, 0x2B9CD9F2,
0xFF56BD19, 0x0D3D3E1A, 0x1E6DCDEE, 0xEC064EED,
0xC38D26C4, 0x31E6A5C7, 0x22B65633, 0xD0DDD530,
0x0417B1DB, 0xF67C32D8, 0xE52CC12C, 0x1747422F,
0x49547E0B, 0xBB3FFD08, 0xA86F0EFC, 0x5A048DFF,
0x8ECEE914, 0x7CA56A17, 0x6FF599E3, 0x9D9E1AE0,
0xD3D3E1AB, 0x21B862A8, 0x32E8915C, 0xC083125F,
0x144976B4, 0xE622F5B7, 0xF5720643, 0x07198540,
0x590AB964, 0xAB613A67, 0xB831C993, 0x4A5A4A90,
0x9E902E7B, 0x6CFBAD78, 0x7FAB5E8C, 0x8DC0DD8F,
0xE330A81A, 0x115B2B19, 0x020BD8ED, 0xF0605BEE,
0x24AA3F05, 0xD6C1BC06, 0xC5914FF2, 0x37FACCF1,
0x69E9F0D5, 0x9B8273D6, 0x88D28022, 0x7AB90321,
0xAE7367CA, 0x5C18E4C9, 0x4F48173D, 0xBD23943E,
0xF36E6F75, 0x0105EC76, 0x12551F82, 0xE03E9C81,
0x34F4F86A, 0xC69F7B69, 0xD5CF889D, 0x27A40B9E,
0x79B737BA, 0x8BDCB4B9, 0x988C474D, 0x6AE7C44E,
0xBE2DA0A5, 0x4C4623A6, 0x5F16D052, 0xAD7D5351
};
uint32_t crc32c(const void *buffer, size_t size, uint32_t crc)
{
const uint8_t *ptr = (const uint8_t*)buffer;
crc ^= ~(uint32_t)0;
for(size_t i = 0; i < size; ++i)
crc = crc32cTable[(crc ^ ptr[i]) & 0xFF] ^ (crc >> 8);
return ~crc;
}

6
libctru/source/crc32c.h Normal file
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@ -0,0 +1,6 @@
#pragma once
#include <stddef.h>
#include <stdint.h>
uint32_t crc32c(const void *buffer, size_t size, uint32_t crc);

6
libctru/source/util/rbtree/rbtree_insert.c
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@ -9,6 +9,12 @@ do_insert(rbtree_t *tree,
rbtree_set_busy(tree);
rbtree_validate(tree);
for(size_t i = 0; i < 32; ++i)
{
node->prefix[i] = 0;
node->suffix[i] = 0;
}
node->nodeTag[3] = 'N';
node->nodeTag[2] = 'O';
node->nodeTag[1] = 'D';

43
libctru/source/util/rbtree/rbtree_validate.c
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@ -48,25 +48,32 @@ rbtree_node_validate(const rbtree_t *tree, const rbtree_node_t *node, size_t *si
return;
}
else // non-null
{
rbtree_node_t *parent = get_parent(node);
if(!parent)
{
// only the root node can have a null parent
if(node != tree->root)
panic();
}
else
{
// make sure this node is a child of its parent
if(parent->child[LEFT] != node && parent->child[RIGHT] != node)
panic();
// if the parent is red, this node must be black
if(is_red(parent) && !is_black(node))
panic();
}
for(size_t i = 0; i < 32; ++i)
{
if(node->prefix[i])
panic();
if(node->suffix[i])
panic();
}
rbtree_node_t *parent = get_parent(node);
if(!parent)
{
// only the root node can have a null parent
if(node != tree->root)
panic();
}
else
{
// make sure this node is a child of its parent
if(parent->child[LEFT] != node && parent->child[RIGHT] != node)
panic();
// if the parent is red, this node must be black
if(is_red(parent) && !is_black(node))
panic();
}
if(is_red(node))