MdePkg/PeCoffLib: Capture DLL characteristics fields in image context

REF: https://bugzilla.tianocore.org/show_bug.cgi?id=4405

When loading a PE/COFF image, capture the DLL characteristics fields of
the header into our image context structure so we can refer to them when
mapping the image.

Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
Reviewed-by: Leif Lindholm <quic_llindhol@quicinc.com>
Reviewed-by: Oliver Smith-Denny <osde@linux.microsoft.com>
Reviewed-by: Michael Kubacki <michael.kubacki@microsoft.com>
Reviewed-by: Liming Gao <gaoliming@byosoft.com.cn>

1 files changed, 12 insertions, 1 deletions

diff --git a/MdePkg/Include/IndustryStandard/PeImage.h b/MdePkg/Include/IndustryStandard/PeImage.h
index dd4cc25483..8646ff22b5 100644
--- a/MdePkg/Include/IndustryStandard/PeImage.h
+++ b/MdePkg/Include/IndustryStandard/PeImage.h
@@ -625,7 +625,8 @@ typedef struct {
   UINT32    FileOffset;  ///< The file pointer to the debug data.

 } EFI_IMAGE_DEBUG_DIRECTORY_ENTRY;

 

-#define EFI_IMAGE_DEBUG_TYPE_CODEVIEW  2    ///< The Visual C++ debug information.

+#define EFI_IMAGE_DEBUG_TYPE_CODEVIEW               2    ///< The Visual C++ debug information.

+#define EFI_IMAGE_DEBUG_TYPE_EX_DLLCHARACTERISTICS  20

 

 ///

 /// Debug Data Structure defined in Microsoft C++.

@@ -670,6 +671,16 @@ typedef struct {
 } EFI_IMAGE_DEBUG_CODEVIEW_MTOC_ENTRY;

 

 ///

+/// Extended DLL Characteristics

+///

+#define EFI_IMAGE_DLLCHARACTERISTICS_EX_CET_COMPAT          0x0001

+#define EFI_IMAGE_DLLCHARACTERISTICS_EX_FORWARD_CFI_COMPAT  0x0040

+

+typedef struct {

+  UINT32    DllCharacteristicsEx;

+} EFI_IMAGE_DEBUG_EX_DLLCHARACTERISTICS_ENTRY;

+

+///

 /// Resource format.

 ///

 typedef struct {