Re: [PATCH] MdeModulePkg SmiHandlerProfile: Fix no PDB case handling incorrectly

["Yao, Jiewen" <jiewen.yao@intel.com>]

Reviewed-by: Jiewen.yao@intel.com

> -----Original Message-----
> From: Zeng, Star
> Sent: Tuesday, May 23, 2017 12:34 PM
> To: edk2-devel@lists.01.org
> Cc: Zeng, Star <star.zeng@intel.com>; Yao, Jiewen <jiewen.yao@intel.com>
> Subject: [PATCH] MdeModulePkg SmiHandlerProfile: Fix no PDB case handling
> incorrectly
> 
> REF: https://bugzilla.tianocore.org/show_bug.cgi?id=569
> 
> The PdbStringOffset should be set to 0 for no PDB case,
> then SmiHandlerProfileInfo can use it to know whether
> there is PCD info or not.
> 
> Cc: Jiewen Yao <jiewen.yao@intel.com>
> Contributed-under: TianoCore Contribution Agreement 1.0
> Signed-off-by: Star Zeng <star.zeng@intel.com>
> ---
>  .../Application/SmiHandlerProfileInfo/SmiHandlerProfileInfo.c  | 10 ++++++----
>  MdeModulePkg/Core/PiSmmCore/SmiHandlerProfile.c                |  8
> ++++++--
>  2 files changed, 12 insertions(+), 6 deletions(-)
> 
> diff --git
> a/MdeModulePkg/Application/SmiHandlerProfileInfo/SmiHandlerProfileInfo.c
> b/MdeModulePkg/Application/SmiHandlerProfileInfo/SmiHandlerProfileInfo.c
> index 2419cd2959a9..338671374c72 100644
> ---
> a/MdeModulePkg/Application/SmiHandlerProfileInfo/SmiHandlerProfileInfo.c
> +++
> b/MdeModulePkg/Application/SmiHandlerProfileInfo/SmiHandlerProfileInfo.c
> @@ -266,8 +266,8 @@ GetDriverNameString (
>    //
>    // Method 1: Get the name string from image PDB
>    //
> -  if (ImageStruct->Header.Length > sizeof
> (SMM_CORE_IMAGE_DATABASE_STRUCTURE)) {
> -    GetShortPdbFileName ((CHAR8 *) (ImageStruct + 1), mNameString);
> +  if (ImageStruct->PdbStringOffset != 0) {
> +    GetShortPdbFileName ((CHAR8 *) ((UINTN) ImageStruct +
> ImageStruct->PdbStringOffset), mNameString);
>      return mNameString;
>    }
> 
> @@ -355,8 +355,10 @@ DumpSmmLoadedImage(
>        Print(L" FvFile=\"%g\"", &ImageStruct->FileGuid);
>        Print(L" RefId=\"0x%x\"", ImageStruct->ImageRef);
>        Print(L">\n");
> -      PdbString = (CHAR8 *)((UINTN)ImageStruct +
> ImageStruct->PdbStringOffset);
> -      Print(L"    <Pdb>%a</Pdb>\n", PdbString);
> +      if (ImageStruct->PdbStringOffset != 0) {
> +        PdbString = (CHAR8 *)((UINTN)ImageStruct +
> ImageStruct->PdbStringOffset);
> +        Print(L"    <Pdb>%a</Pdb>\n", PdbString);
> +      }
>        Print(L"  </Image>\n");
>      }
> 
> diff --git a/MdeModulePkg/Core/PiSmmCore/SmiHandlerProfile.c
> b/MdeModulePkg/Core/PiSmmCore/SmiHandlerProfile.c
> index 63dcf6e3a1e7..49eba945fd9a 100644
> --- a/MdeModulePkg/Core/PiSmmCore/SmiHandlerProfile.c
> +++ b/MdeModulePkg/Core/PiSmmCore/SmiHandlerProfile.c
> @@ -651,8 +651,12 @@ GetSmmImageDatabaseData (
>      ImageStruct->EntryPoint = mImageStruct[Index].EntryPoint;
>      ImageStruct->ImageBase = mImageStruct[Index].ImageBase;
>      ImageStruct->ImageSize = mImageStruct[Index].ImageSize;
> -    ImageStruct->PdbStringOffset =
> sizeof(SMM_CORE_IMAGE_DATABASE_STRUCTURE);
> -    CopyMem ((VOID *)((UINTN)ImageStruct + ImageStruct->PdbStringOffset),
> mImageStruct[Index].PdbString, mImageStruct[Index].PdbStringSize);
> +    if (mImageStruct[Index].PdbStringSize != 0) {
> +      ImageStruct->PdbStringOffset =
> sizeof(SMM_CORE_IMAGE_DATABASE_STRUCTURE);
> +      CopyMem ((VOID *)((UINTN)ImageStruct +
> ImageStruct->PdbStringOffset), mImageStruct[Index].PdbString,
> mImageStruct[Index].PdbStringSize);
> +    } else {
> +      ImageStruct->PdbStringOffset = 0;
> +    }
>      ImageStruct = (SMM_CORE_IMAGE_DATABASE_STRUCTURE
> *)((UINTN)ImageStruct + ImageStruct->Header.Length);
>      Size += sizeof(SMM_CORE_IMAGE_DATABASE_STRUCTURE) +
> mImageStruct[Index].PdbStringSize;
>    }
> --
> 2.7.0.windows.1