DefaultExceptionHandlerUefi.c

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#include <Uefi.h>
#include <Library/PeCoffGetEntryPointLib.h>
#include <Library/UefiLib.h>
 
#include <Guid/DebugImageInfoTable.h>
 
CHAR8 *
GetImageName (
  IN  UINTN  FaultAddress,
  OUT UINTN  *ImageBase,
  OUT UINTN  *PeCoffSizeOfHeaders
  )
{
  EFI_STATUS                         Status;
  EFI_DEBUG_IMAGE_INFO_TABLE_HEADER  *DebugTableHeader;
  EFI_DEBUG_IMAGE_INFO               *DebugTable;
  UINTN                              Entry;
  CHAR8                              *Address;
 
  Status = EfiGetSystemConfigurationTable (&gEfiDebugImageInfoTableGuid, (VOID **)&DebugTableHeader);
  if (EFI_ERROR (Status)) {
    return NULL;
  }
 
  DebugTable = DebugTableHeader->EfiDebugImageInfoTable;
  if (DebugTable == NULL) {
    return NULL;
  }
 
  Address = (CHAR8 *)(UINTN)FaultAddress;
  for (Entry = 0; Entry < DebugTableHeader->TableSize; Entry++, DebugTable++) {
    if (DebugTable->NormalImage != NULL) {
      if ((DebugTable->NormalImage->ImageInfoType == EFI_DEBUG_IMAGE_INFO_TYPE_NORMAL) &&
          (DebugTable->NormalImage->LoadedImageProtocolInstance != NULL))
      {
        if ((Address >= (CHAR8 *)DebugTable->NormalImage->LoadedImageProtocolInstance->ImageBase) &&
            (Address <= ((CHAR8 *)DebugTable->NormalImage->LoadedImageProtocolInstance->ImageBase + DebugTable->NormalImage->LoadedImageProtocolInstance->ImageSize)))
        {
          *ImageBase           = (UINTN)DebugTable->NormalImage->LoadedImageProtocolInstance->ImageBase;
          *PeCoffSizeOfHeaders = PeCoffGetSizeOfHeaders ((VOID *)(UINTN)*ImageBase);
          return PeCoffLoaderGetPdbPointer (DebugTable->NormalImage->LoadedImageProtocolInstance->ImageBase);
        }
      }
    }
  }
 
  return NULL;
}