tyler.durden
/
audk
mirror of https://github.com/acidanthera/audk.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

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
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

46
SourceLevelDebugPkg/Library/DebugAgent/DebugAgentCommon/DebugAgent.c
View File

@ -4,7 +4,7 @@
read/write debug packet to communication with HOST based on transfer
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
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
@ -201,56 +201,18 @@ FindAndReportModuleImageInfo (
)
{
UINTN Pe32Data;
EFI_IMAGE_DOS_HEADER *DosHdr;
EFI_IMAGE_OPTIONAL_HEADER_PTR_UNION Hdr;
PE_COFF_LOADER_IMAGE_CONTEXT ImageContext;
//
// Find Image Base
//
Pe32Data = ((UINTN)mErrorMsgVersionAlert) & ~(AlignSize - 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 < (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;
}
Pe32Data = PeCoffSerachImageBase ((UINTN) mErrorMsgVersionAlert);
if (Pe32Data != 0) {
ImageContext.ImageAddress = Pe32Data;
ImageContext.PdbPointer = PeCoffLoaderGetPdbPointer ((VOID*) (UINTN) ImageContext.ImageAddress);
PeCoffLoaderRelocateImageExtraAction (&ImageContext);
}
}
/**
Trigger one software interrupt to debug agent to handle it.