AromaBaseModule/source/symbolnamepatcher/sym_function_replacements.cpp

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2022-08-25 12:58:35 +02:00
#include "sym_function_replacements.h"
#include "globals.h"
#include <cstring>
#pragma GCC push_options
#pragma GCC optimize("O0")
DECL_FUNCTION(uint32_t, SC17_FindClosestSymbol,
uint32_t addr,
uint32_t *outDistance,
char *symbolNameBuffer,
uint32_t symbolNameBufferLength,
char *moduleNameBuffer,
uint32_t moduleNameBufferLength) {
for (uint32_t i = 0; i < gModuleData->number_modules; i++) {
auto *module = &gModuleData->modules[i];
if (addr < module->startAddress || addr >= module->endAddress) {
continue;
}
strncpy(moduleNameBuffer, module->module_export_name, moduleNameBufferLength);
if (module->function_symbol_entries != nullptr && module->number_function_symbols > 1) {
for (uint32_t j = 0; j < module->number_function_symbols - 1; j++) {
auto symbolData = &module->function_symbol_entries[j];
auto symbolDataNext = &module->function_symbol_entries[j + 1];
if (j == module->number_function_symbols - 2 || (addr >= (uint32_t) symbolData->address && addr < (uint32_t) symbolDataNext->address)) {
strncpy(symbolNameBuffer, symbolData->name, moduleNameBufferLength);
if (outDistance) {
*outDistance = addr - (uint32_t) symbolData->address;
}
return 0;
}
}
}
strncpy(symbolNameBuffer, ".text", symbolNameBufferLength);
if (outDistance) {
*outDistance = addr - (uint32_t) module->startAddress;
}
return 0;
}
return real_SC17_FindClosestSymbol(addr, outDistance, symbolNameBuffer, symbolNameBufferLength, moduleNameBuffer, moduleNameBufferLength);
}
DECL_FUNCTION(uint32_t, KiGetAppSymbolName, uint32_t addr, char *buffer, int32_t bufSize) {
for (uint32_t i = 0; i < gModuleData->number_modules; i++) {
auto *module = &gModuleData->modules[i];
if (addr < module->startAddress || addr >= module->endAddress) {
continue;
}
auto moduleNameLen = strlen(module->module_export_name);
int32_t spaceLeftInBuffer = (int32_t) bufSize - (int32_t) moduleNameLen - 1;
if (spaceLeftInBuffer < 0) {
spaceLeftInBuffer = 0;
}
strncpy(buffer, module->module_export_name, bufSize);
if (module->function_symbol_entries != nullptr && module->number_function_symbols > 1) {
for (uint32_t j = 0; j < module->number_function_symbols - 1; j++) {
auto symbolData = &module->function_symbol_entries[j];
auto symbolDataNext = &module->function_symbol_entries[j + 1];
if (j == module->number_function_symbols - 2 || (addr >= (uint32_t) symbolData->address && addr < (uint32_t) symbolDataNext->address)) {
if (spaceLeftInBuffer > 2) {
buffer[moduleNameLen] = '|';
buffer[moduleNameLen + 1] = '\0';
strncpy(buffer + moduleNameLen + 1, symbolData->name, spaceLeftInBuffer - 1);
}
return (uint32_t) symbolData->address;
}
}
}
return addr;
}
return real_KiGetAppSymbolName(addr, buffer, bufSize);
}
#pragma GCC pop_options
function_replacement_data_t symbolname_function_replacements[] = {
REPLACE_FUNCTION_VIA_ADDRESS(SC17_FindClosestSymbol, 0xfff10218, 0xfff10218),
REPLACE_FUNCTION_VIA_ADDRESS(KiGetAppSymbolName, 0xfff0e3a0, 0xfff0e3a0),
};
uint32_t symbolname_function_replacements_size = sizeof(symbolname_function_replacements) / sizeof(function_replacement_data_t);