/**
Find and display image base address and return image base and its entry point.
@param CurrentEip Current instruction pointer.
**/
VOID
DumpModuleImageInfo (
IN UINTN CurrentEip
)
{
EFI_STATUS Status;
UINTN Pe32Data;
VOID *PdbPointer;
VOID *EntryPoint;
Pe32Data = PeCoffSearchImageBase (CurrentEip);
if (Pe32Data == 0) {
InternalPrintMessage ("!!!! Can't find image information. !!!!\n");
} else {
//
// Find Image Base entry point
//
Status = PeCoffLoaderGetEntryPoint ((VOID *) Pe32Data, &EntryPoint);
if (EFI_ERROR (Status)) {
EntryPoint = NULL;
}
InternalPrintMessage ("!!!! Find image based on IP(0x%x) ", CurrentEip);
PdbPointer = PeCoffLoaderGetPdbPointer ((VOID *) Pe32Data);
if (PdbPointer != NULL) {
InternalPrintMessage ("%a", PdbPointer);
} else {
InternalPrintMessage ("(No PDB) " );
}
InternalPrintMessage (
" (ImageBase=%016lp, EntryPoint=%016p) !!!!\n",
(VOID *) Pe32Data,
EntryPoint
);
}
}
/**
Display CPU information.
@param ExceptionType Exception type.
@param SystemContext Pointer to EFI_SYSTEM_CONTEXT.
**/
VOID
DumpCpuContent (
IN EFI_EXCEPTION_TYPE ExceptionType,
IN EFI_SYSTEM_CONTEXT SystemContext
)
{
UINTN ImageBase;
UINTN EntryPoint;
InternalPrintMessage (
"!!!! IA32 Exception Type - %08x CPU Apic ID - %08x !!!!\n",
ExceptionType,
GetApicId ()
);
InternalPrintMessage (
"EIP - %08x, CS - %08x, EFLAGS - %08x\n",
SystemContext.SystemContextIa32->Eip,
SystemContext.SystemContextIa32->Cs,
SystemContext.SystemContextIa32->Eflags
);
if ((mErrorCodeFlag & (1 << ExceptionType)) != 0) {
InternalPrintMessage (
"ExceptionData - %08x\n",
SystemContext.SystemContextIa32->ExceptionData
);
}
InternalPrintMessage (
"EAX - %08x, ECX - %08x, EDX - %08x, EBX - %08x\n",
SystemContext.SystemContextIa32->Eax,
SystemContext.SystemContextIa32->Ecx,
SystemContext.SystemContextIa32->Edx,
SystemContext.SystemContextIa32->Ebx
);
InternalPrintMessage (
"ESP - %08x, EBP - %08x, ESI - %08x, EDI - %08x\n",
SystemContext.SystemContextIa32->Esp,
SystemContext.SystemContextIa32->Ebp,
SystemContext.SystemContextIa32->Esi,
SystemContext.SystemContextIa32->Edi
);
InternalPrintMessage (
"DS - %08x, ES - %08x, FS - %08x, GS - %08x, SS - %08x\n",
SystemContext.SystemContextIa32->Ds,
SystemContext.SystemContextIa32->Es,
SystemContext.SystemContextIa32->Fs,
SystemContext.SystemContextIa32->Gs,
SystemContext.SystemContextIa32->Ss
);
InternalPrintMessage (
"CR0 - %08x, CR2 - %08x, CR3 - %08x, CR4 - %08x\n",
SystemContext.SystemContextIa32->Cr0,
SystemContext.SystemContextIa32->Cr2,
SystemContext.SystemContextIa32->Cr3,
SystemContext.SystemContextIa32->Cr4
);
InternalPrintMessage (
"DR0 - %08x, DR1 - %08x, DR2 - %08x, DR3 - %08x\n",
SystemContext.SystemContextIa32->Dr0,
SystemContext.SystemContextIa32->Dr1,
SystemContext.SystemContextIa32->Dr2,
SystemContext.SystemContextIa32->Dr3
);
InternalPrintMessage (
"DR6 - %08x, DR7 - %08x\n",
SystemContext.SystemContextIa32->Dr6,
SystemContext.SystemContextIa32->Dr7
);
InternalPrintMessage (
"GDTR - %08x %08x, IDTR - %08x %08x\n",
SystemContext.SystemContextIa32->Gdtr[0],
SystemContext.SystemContextIa32->Gdtr[1],
SystemContext.SystemContextIa32->Idtr[0],
SystemContext.SystemContextIa32->Idtr[1]
);
InternalPrintMessage (
"LDTR - %08x, TR - %08x\n",
SystemContext.SystemContextIa32->Ldtr,
SystemContext.SystemContextIa32->Tr
);
InternalPrintMessage (
"FXSAVE_STATE - %08x\n",
&SystemContext.SystemContextIa32->FxSaveState
);
//
// Find module image base and module entry point by RIP
//
ImageBase = FindModuleImageBase (SystemContext.SystemContextIa32->Eip, &EntryPoint);
if (ImageBase != 0) {
InternalPrintMessage (
" (ImageBase=%08x, EntryPoint=%08x) !!!!\n",
ImageBase,
EntryPoint
);
}
}
/**
Find and display image base address and return image base and its entry point.
@param CurrentEip Current instruction pointer.
@param EntryPoint Return module entry point if module header is found.
@return !0 Image base address.
@return 0 Image header cannot be found.
**/
UINTN
FindModuleImageBase (
IN UINTN CurrentEip,
OUT UINTN *EntryPoint
)
{
UINTN Pe32Data;
EFI_IMAGE_DOS_HEADER *DosHdr;
EFI_IMAGE_OPTIONAL_HEADER_PTR_UNION Hdr;
VOID *PdbPointer;
//
// Find Image Base
//
Pe32Data = CurrentEip & ~(mImageAlignSize - 1);
while (Pe32Data != 0) {
DosHdr = (EFI_IMAGE_DOS_HEADER *) Pe32Data;
if (DosHdr->e_magic == EFI_IMAGE_DOS_SIGNATURE) {
//
// DOS image header is present, so read the PE header after the DOS image header.
//
Hdr.Pe32 = (EFI_IMAGE_NT_HEADERS32 *)(Pe32Data + (UINTN) ((DosHdr->e_lfanew) & 0x0ffff));
//
// Make sure PE header address does not overflow and is less than the initial address.
//
if (((UINTN)Hdr.Pe32 > Pe32Data) && ((UINTN)Hdr.Pe32 < CurrentEip)) {
if (Hdr.Pe32->Signature == EFI_IMAGE_NT_SIGNATURE) {
//
// It's PE image.
//
InternalPrintMessage ("!!!! Find PE image ");
*EntryPoint = (UINTN)Pe32Data + (UINTN)(Hdr.Pe32->OptionalHeader.AddressOfEntryPoint & 0x0ffffffff);
break;
}
}
} else {
//
// DOS image header is not present, TE header is at the image base.
//
Hdr.Pe32 = (EFI_IMAGE_NT_HEADERS32 *)Pe32Data;
if ((Hdr.Te->Signature == EFI_TE_IMAGE_HEADER_SIGNATURE) &&
((Hdr.Te->Machine == IMAGE_FILE_MACHINE_I386) || Hdr.Te->Machine == IMAGE_FILE_MACHINE_X64)) {
//
// It's TE image, it TE header and Machine type match
//
InternalPrintMessage ("!!!! Find TE image ");
*EntryPoint = (UINTN)Pe32Data + (UINTN)(Hdr.Te->AddressOfEntryPoint & 0x0ffffffff) + sizeof(EFI_TE_IMAGE_HEADER) - Hdr.Te->StrippedSize;
break;
}
}
//
// Not found the image base, check the previous aligned address
//
Pe32Data -= mImageAlignSize;
}
if (Pe32Data != 0) {
PdbPointer = PeCoffLoaderGetPdbPointer ((VOID *) Pe32Data);
if (PdbPointer != NULL) {
InternalPrintMessage ("%a", PdbPointer);
} else {
InternalPrintMessage ("(No PDB) " );
}
} else {
InternalPrintMessage ("!!!! Can't find image information. !!!!\n");
}
return Pe32Data;
}
/**
Display CPU information.
@param ExceptionType Exception type.
@param SystemContext Pointer to EFI_SYSTEM_CONTEXT.
**/
VOID
DumpCpuContent (
IN EFI_EXCEPTION_TYPE ExceptionType,
IN EFI_SYSTEM_CONTEXT SystemContext
)
{
UINTN ImageBase;
UINTN EntryPoint;
InternalPrintMessage (
"!!!! X64 Exception Type - %016lx CPU Apic ID - %08x !!!!\n",
ExceptionType,
GetApicId ()
);
InternalPrintMessage (
"RIP - %016lx, CS - %016lx, RFLAGS - %016lx\n",
SystemContext.SystemContextX64->Rip,
SystemContext.SystemContextX64->Cs,
SystemContext.SystemContextX64->Rflags
);
if (mErrorCodeFlag & (1 << ExceptionType)) {
InternalPrintMessage (
"ExceptionData - %016lx\n",
SystemContext.SystemContextX64->ExceptionData
);
}
InternalPrintMessage (
"RAX - %016lx, RCX - %016lx, RDX - %016lx\n",
SystemContext.SystemContextX64->Rax,
SystemContext.SystemContextX64->Rcx,
SystemContext.SystemContextX64->Rdx
);
InternalPrintMessage (
"RBX - %016lx, RSP - %016lx, RBP - %016lx\n",
SystemContext.SystemContextX64->Rbx,
SystemContext.SystemContextX64->Rsp,
SystemContext.SystemContextX64->Rbp
);
InternalPrintMessage (
"RSI - %016lx, RDI - %016lx\n",
SystemContext.SystemContextX64->Rsi,
SystemContext.SystemContextX64->Rdi
);
InternalPrintMessage (
"R8 - %016lx, R9 - %016lx, R10 - %016lx\n",
SystemContext.SystemContextX64->R8,
SystemContext.SystemContextX64->R9,
SystemContext.SystemContextX64->R10
);
InternalPrintMessage (
"R11 - %016lx, R12 - %016lx, R13 - %016lx\n",
SystemContext.SystemContextX64->R11,
SystemContext.SystemContextX64->R12,
SystemContext.SystemContextX64->R13
);
InternalPrintMessage (
"R14 - %016lx, R15 - %016lx\n",
SystemContext.SystemContextX64->R14,
SystemContext.SystemContextX64->R15
);
InternalPrintMessage (
"DS - %016lx, ES - %016lx, FS - %016lx\n",
SystemContext.SystemContextX64->Ds,
SystemContext.SystemContextX64->Es,
SystemContext.SystemContextX64->Fs
);
InternalPrintMessage (
"GS - %016lx, SS - %016lx\n",
SystemContext.SystemContextX64->Gs,
SystemContext.SystemContextX64->Ss
);
InternalPrintMessage (
"CR0 - %016lx, CR2 - %016lx, CR3 - %016lx\n",
SystemContext.SystemContextX64->Cr0,
SystemContext.SystemContextX64->Cr2,
SystemContext.SystemContextX64->Cr3
);
InternalPrintMessage (
"CR4 - %016lx, CR8 - %016lx\n",
SystemContext.SystemContextX64->Cr4,
SystemContext.SystemContextX64->Cr8
);
InternalPrintMessage (
"DR0 - %016lx, DR1 - %016lx, DR2 - %016lx\n",
SystemContext.SystemContextX64->Dr0,
SystemContext.SystemContextX64->Dr1,
SystemContext.SystemContextX64->Dr2
);
InternalPrintMessage (
"DR3 - %016lx, DR6 - %016lx, DR7 - %016lx\n",
SystemContext.SystemContextX64->Dr3,
SystemContext.SystemContextX64->Dr6,
SystemContext.SystemContextX64->Dr7
);
InternalPrintMessage (
"GDTR - %016lx %016lx, LDTR - %016lx\n",
SystemContext.SystemContextX64->Gdtr[0],
SystemContext.SystemContextX64->Gdtr[1],
SystemContext.SystemContextX64->Ldtr
);
InternalPrintMessage (
"IDTR - %016lx %016lx, TR - %016lx\n",
SystemContext.SystemContextX64->Idtr[0],
SystemContext.SystemContextX64->Idtr[1],
SystemContext.SystemContextX64->Tr
);
InternalPrintMessage (
"FXSAVE_STATE - %016lx\n",
&SystemContext.SystemContextX64->FxSaveState
);
//
// Find module image base and module entry point by RIP
//
ImageBase = FindModuleImageBase (SystemContext.SystemContextX64->Rip, &EntryPoint);
if (ImageBase != 0) {
InternalPrintMessage (
" (ImageBase=%016lx, EntryPoint=%016lx) !!!!\n",
ImageBase,
EntryPoint
);
}
}
