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