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Add ExGetKSymbolByAddress function to retrieve kernel symbols by address

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EnderIce2 2024-03-03 23:48:19 +02:00
parent 23865ffc4f
commit e69ace7fdc
Signed by untrusted user who does not match committer: enderice2
GPG Key ID: EACC3AD603BAB4DD
1 changed files with 32 additions and 5 deletions
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37
core/panic/ui.cpp
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@ -108,21 +108,48 @@ static const char *x86PageFaultDescriptions[9] = {
int ActiveScreen = 0; int ActiveScreen = 0;
char __modSym[20];
nsa const char *ExGetKSymbolByAddress(uintptr_t Address)
{
if (Address < (uintptr_t)&_kernel_start &&
Address > (uintptr_t)&_kernel_end)
return "<OUTSIDE KERNEL>";
if (!KernelSymbolTable)
return "<UNKNOWN>";
const char *sym = KernelSymbolTable->GetSymbol(Address);
size_t symLen = strlen(sym);
if (symLen > 16)
{
strncpy(__modSym, sym, 16);
__modSym[16] = '.';
__modSym[17] = '.';
__modSym[18] = '.';
__modSym[19] = '\0';
sym = __modSym;
}
if (unlikely(symLen > 128))
warn("Symbol \"%s\" is too long! Memory corrupted?", sym);
return sym;
}
nsa const char *ExGetKSymbol(CPU::ExceptionFrame *Frame) nsa const char *ExGetKSymbol(CPU::ExceptionFrame *Frame)
{ {
if (Frame->rip < (uintptr_t)&_kernel_start && if (Frame->rip < (uintptr_t)&_kernel_start &&
Frame->rip > (uintptr_t)&_kernel_end) Frame->rip > (uintptr_t)&_kernel_end)
return "<OUTSIDE KERNEL>"; return "<OUTSIDE KERNEL>";
if (KernelSymbolTable)
#if defined(a64) #if defined(a64)
return KernelSymbolTable->GetSymbol(Frame->rip); return ExGetKSymbolByAddress(Frame->rip);
#elif defined(a32) #elif defined(a32)
return KernelSymbolTable->GetSymbol(Frame->eip); return ExGetKSymbolByAddress(Frame->eip);
#elif defined(aa64) #elif defined(aa64)
return KernelSymbolTable->GetSymbol(Frame->pc); return ExGetKSymbolByAddress(Frame->pc);
#endif #endif
return "<UNKNOWN>";
} }
nsa char *TrimWhiteSpace(char *str) nsa char *TrimWhiteSpace(char *str)