Add several missing assertions.

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@6766 6f19259b-4bc3-4df7-8a09-765794883524

diff --git a/MdePkg/Library/BasePeCoffLib/BasePeCoff.c b/MdePkg/Library/BasePeCoffLib/BasePeCoff.c
index 9756520aa6d98815aea6ad9d6e7a6c72f7c3f627..3b14c9b6e44f0daf5feb6fef84cefb30bb7268ee 100644 (file)
--- a/MdePkg/Library/BasePeCoffLib/BasePeCoff.c
+++ b/MdePkg/Library/BasePeCoffLib/BasePeCoff.c
@@ -1319,15 +1319,26 @@ PeCoffLoaderRelocateImageForRuntime (
 \r
 \r
 /**\r
-  ImageRead function that operates on a memory buffer whos base is passed into\r
-  FileHandle.\r
+  Reads contents of a PE/COFF image from a buffer in system memory.\r
+   \r
+  This is the default implementation of a PE_COFF_LOADER_READ_FILE function \r
+  that assumes FileHandle pointer to the beginning of a PE/COFF image.   \r
+  This function reads contents of the PE/COFF image that starts at the system memory \r
+  address specified by FileHandle.  The read operation copies ReadSize bytes from the \r
+  PE/COFF image starting at byte offset FileOffset into the buffer specified by Buffer.  \r
+  The size of the buffer actually read is returned in ReadSize.\r
+  \r
+  If FileHandle is NULL, then ASSERT().\r
+  If ReadSize is NULL, then ASSERT().\r
+  If Buffer is NULL, then ASSERT().\r
 \r
-  @param  FileHandle        Ponter to baes of the input stream\r
-  @param  FileOffset        Offset to the start of the buffer\r
-  @param  ReadSize          Number of bytes to copy into the buffer\r
-  @param  Buffer            Location to place results of read\r
+  @param  FileHandle        Pointer to base of the input stream\r
+  @param  FileOffset        Offset into the PE/COFF image to begin the read operation.\r
+  @param  ReadSize          On input, the size in bytes of the requested read operation.  \r
+                            On output, the number of bytes actually read.\r
+  @param  Buffer            Output buffer that contains the data read from the PE/COFF image.\r
 \r
-  @retval RETURN_SUCCESS    Data is read from FileOffset from the Handle into\r
+  @retval RETURN_SUCCESS    Data is read from FileOffset from the Handle into \r
                             the buffer.\r
 **/\r
 RETURN_STATUS\r
@@ -1339,6 +1350,10 @@ PeCoffLoaderImageReadFromMemory (
   OUT    VOID    *Buffer\r
   )\r
 {\r
+  ASSERT (ReadSize != NULL);\r
+  ASSERT (FileHandle != NULL);\r
+  ASSERT (Buffer != NULL);\r
+\r
   CopyMem (Buffer, ((UINT8 *)FileHandle) + FileOffset, *ReadSize);\r
   return RETURN_SUCCESS;\r
 }\r