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Sync with PE/COFF Extra Action library class comments and add ASSERT() conditions if ImageContext is NULL. 

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@8273 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
mdkinney 2009-05-09 00:50:40 +00:00
parent 727fb9b1d3
commit 51f1a2b5b8
2 changed files with 34 additions and 33 deletions
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29
Nt32Pkg/Library/DxeNt32PeCoffExtraActionLib/DxeNt32PeCoffExtraActionLib.c
View File

@ -250,15 +250,14 @@ RemoveModeHandle (
} }
/** /**
Applies additional actions to relocate fixups to a PE/COFF image. Performs additional actions after a PE/COFF image has been loaded and relocated.
Generally this function is called after sucessfully Applying relocation fixups For NT32, this function load symbols to support source level debugging.
to a PE/COFF image for some specicial purpose.
As a example, For NT32 emulator, the function should be implemented and called
to support source level debug.
@param ImageContext Pointer to the image context structure that describes the PE/COFF If ImageContext is NULL, then ASSERT().
image that is being relocated.
@param ImageContext Pointer to the image context structure that describes the
PE/COFF image that has already been loaded and relocated.
**/ **/
VOID VOID
@ -272,6 +271,8 @@ PeCoffLoaderRelocateImageExtraAction (
HMODULE Library; HMODULE Library;
UINTN Index; UINTN Index;
ASSERT (ImageContext != NULL);
// //
// If we load our own PE COFF images the Windows debugger can not source // If we load our own PE COFF images the Windows debugger can not source
// level debug our code. If a valid PDB pointer exists usw it to load // level debug our code. If a valid PDB pointer exists usw it to load
@ -351,17 +352,15 @@ PeCoffLoaderRelocateImageExtraAction (
} }
/** /**
Unloads a loaded PE/COFF image from memory and releases its taken resource. Performs additional actions just before a PE/COFF image is unloaded. Any resources
that were allocated by PeCoffLoaderRelocateImageExtraAction() must be freed.
Releases any environment specific resources that were allocated when the image For NT32, this function unloads symbols for source level debugging.
specified by ImageContext was loaded using PeCoffLoaderLoadImage().
For NT32 emulator, the PE/COFF image loaded by system needs to release.
For real platform, the PE/COFF image loaded by Core doesn't needs to be unloaded,
If ImageContext is NULL, then ASSERT(). If ImageContext is NULL, then ASSERT().
@param ImageContext Pointer to the image context structure that describes the PE/COFF @param ImageContext Pointer to the image context structure that describes the
image to be unloaded. PE/COFF image that is being unloaded.
**/ **/
VOID VOID
@ -372,6 +371,8 @@ PeCoffLoaderUnloadImageExtraAction (
{ {
VOID *ModHandle; VOID *ModHandle;
ASSERT (ImageContext != NULL);
ModHandle = RemoveModeHandle (ImageContext); ModHandle = RemoveModeHandle (ImageContext);
if (ModHandle != NULL) { if (ModHandle != NULL) {
mWinNt->FreeLibrary (ModHandle); mWinNt->FreeLibrary (ModHandle);

28
Nt32Pkg/Library/PeiNt32PeCoffExtraActionLib/PeiNt32PeCoffExtraActionLib.c
View File

@ -126,15 +126,14 @@ AsciiToUnicode (
} }
/** /**
Applies additional actions to relocate fixups to a PE/COFF image. Performs additional actions after a PE/COFF image has been loaded and relocated.
Generally this function is called after sucessfully Applying relocation fixups For NT32, this function load symbols to support source level debugging.
to a PE/COFF image for some specicial purpose.
As a example, For NT32 emulator, the function should be implemented and called
to support source level debug.
@param ImageContext Pointer to the image context structure that describes the PE/COFF If ImageContext is NULL, then ASSERT().
image that is being relocated.
@param ImageContext Pointer to the image context structure that describes the
PE/COFF image that has already been loaded and relocated.
**/ **/
VOID VOID
@ -148,6 +147,8 @@ PeCoffLoaderRelocateImageExtraAction (
HMODULE Library; HMODULE Library;
UINTN Index; UINTN Index;
ASSERT (ImageContext != NULL);
if (mWinNt == NULL) { if (mWinNt == NULL) {
Nt32PeCoffGetWinNtThunkStucture (); Nt32PeCoffGetWinNtThunkStucture ();
} }
@ -229,17 +230,15 @@ PeCoffLoaderRelocateImageExtraAction (
} }
/** /**
Unloads a loaded PE/COFF image from memory and releases its taken resource. Performs additional actions just before a PE/COFF image is unloaded. Any resources
that were allocated by PeCoffLoaderRelocateImageExtraAction() must be freed.
Releases any environment specific resources that were allocated when the image For NT32, this function unloads symbols for source level debugging.
specified by ImageContext was loaded using PeCoffLoaderLoadImage().
For NT32 emulator, the PE/COFF image loaded by system needs to release.
For real platform, the PE/COFF image loaded by Core doesn't needs to be unloaded,
If ImageContext is NULL, then ASSERT(). If ImageContext is NULL, then ASSERT().
@param ImageContext Pointer to the image context structure that describes the PE/COFF @param ImageContext Pointer to the image context structure that describes the
image to be unloaded. PE/COFF image that is being unloaded.
**/ **/
VOID VOID
@ -248,4 +247,5 @@ PeCoffLoaderUnloadImageExtraAction (
IN OUT PE_COFF_LOADER_IMAGE_CONTEXT *ImageContext IN OUT PE_COFF_LOADER_IMAGE_CONTEXT *ImageContext
) )
{ {
ASSERT (ImageContext != NULL);
} }