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SourceLevelDebugPkg/DebugAgent.c: Consume PeCoffSerachImageBase() 

Cc: Jiewen Yao <jiewen.yao@intel.com>
Cc: Michael Kinney <michael.d.kinney@intel.com>
Cc: Feng Tian <feng.tian@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Jeff Fan <jeff.fan@intel.com>
Reviewed-by: Jiewen Yao <jiewen.yao@intel.com>
This commit is contained in:
Jeff Fan 2017-04-01 20:27:16 +08:00
parent b8caae191c
commit c54a6e6feb
1 changed files with 6 additions and 44 deletions
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46
SourceLevelDebugPkg/Library/DebugAgent/DebugAgentCommon/DebugAgent.c
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@ -4,7 +4,7 @@
read/write debug packet to communication with HOST based on transfer read/write debug packet to communication with HOST based on transfer
protocol. protocol.
Copyright (c) 2010 - 2015, Intel Corporation. All rights reserved.<BR> Copyright (c) 2010 - 2017, Intel Corporation. All rights reserved.<BR>
This program and the accompanying materials This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License are licensed and made available under the terms and conditions of the BSD License
which accompanies this distribution. The full text of the license may be found at which accompanies this distribution. The full text of the license may be found at
@ -201,56 +201,18 @@ FindAndReportModuleImageInfo (
) )
{ {
UINTN Pe32Data; UINTN Pe32Data;
EFI_IMAGE_DOS_HEADER *DosHdr;
EFI_IMAGE_OPTIONAL_HEADER_PTR_UNION Hdr;
PE_COFF_LOADER_IMAGE_CONTEXT ImageContext; PE_COFF_LOADER_IMAGE_CONTEXT ImageContext;
// //
// Find Image Base // Find Image Base
// //
Pe32Data = ((UINTN)mErrorMsgVersionAlert) & ~(AlignSize - 1); Pe32Data = PeCoffSerachImageBase ((UINTN) mErrorMsgVersionAlert);
while (Pe32Data != 0) { if (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 < (UINTN)mErrorMsgVersionAlert)) {
if (Hdr.Pe32->Signature == EFI_IMAGE_NT_SIGNATURE) {
//
// It's PE image.
//
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
//
break;
}
}
//
// Not found the image base, check the previous aligned address
//
Pe32Data -= AlignSize;
}
ImageContext.ImageAddress = Pe32Data; ImageContext.ImageAddress = Pe32Data;
ImageContext.PdbPointer = PeCoffLoaderGetPdbPointer ((VOID*) (UINTN) ImageContext.ImageAddress); ImageContext.PdbPointer = PeCoffLoaderGetPdbPointer ((VOID*) (UINTN) ImageContext.ImageAddress);
PeCoffLoaderRelocateImageExtraAction (&ImageContext); PeCoffLoaderRelocateImageExtraAction (&ImageContext);
} }
}
/** /**
Trigger one software interrupt to debug agent to handle it. Trigger one software interrupt to debug agent to handle it.