7 files changed, 28 insertions, 12 deletions
diff --git a/MdePkg/Library/BaseDebugLibNull/DebugLib.c b/MdePkg/Library/BaseDebugLibNull/DebugLib.c
index c9916165a0..6fdf6f97a5 100644
--- a/MdePkg/Library/BaseDebugLibNull/DebugLib.c
+++ b/MdePkg/Library/BaseDebugLibNull/DebugLib.c
@@ -25,7 +25,8 @@
 
   @param  ErrorLevel  The error level of the debug message.
   @param  Format      Format string for the debug message to print.
-  @param  ...         The variable argument list.
+  @param  ...         Variable argument list whose contents are accessed 
+                      based on the format string specified by Format.
 
 **/
 VOID
diff --git a/MdePkg/Library/BaseDebugLibSerialPort/DebugLib.c b/MdePkg/Library/BaseDebugLibSerialPort/DebugLib.c
index 39640119aa..4abdf9cd69 100644
--- a/MdePkg/Library/BaseDebugLibSerialPort/DebugLib.c
+++ b/MdePkg/Library/BaseDebugLibSerialPort/DebugLib.c
@@ -39,7 +39,8 @@
 
   @param  ErrorLevel  The error level of the debug message.
   @param  Format      Format string for the debug message to print.
-  @param  ...         The variable argument list.
+  @param  ...         Variable argument list whose contents are accessed 
+                      based on the format string specified by Format.
 
 **/
 VOID
diff --git a/MdePkg/Library/BaseLib/SwitchStack.c b/MdePkg/Library/BaseLib/SwitchStack.c
index 4454856607..a6e33aec6e 100644
--- a/MdePkg/Library/BaseLib/SwitchStack.c
+++ b/MdePkg/Library/BaseLib/SwitchStack.c
@@ -36,6 +36,10 @@
                       function.
   @param  NewStack    A pointer to the new stack to use for the EntryPoint
                       function.
+  @param  ...         This variable argument list is ignored for IA32, x64, and EBC.  
+                      For IPF, this variable argument list is expected to contain 
+                      a single parameter of type VOID * that specifies the new backing 
+                      store pointer.
 
 **/
 VOID
diff --git a/MdePkg/Library/BasePrintLib/PrintLib.c b/MdePkg/Library/BasePrintLib/PrintLib.c
index 8fe7c06adf..92deb5f5db 100644
--- a/MdePkg/Library/BasePrintLib/PrintLib.c
+++ b/MdePkg/Library/BasePrintLib/PrintLib.c
@@ -91,7 +91,8 @@ UnicodeVSPrint (
                           Unicode string.
   @param  BufferSize      The size, in bytes, of the output buffer specified by StartOfBuffer.
   @param  FormatString    Null-terminated Unicode format string.
-  @param  ...             The variable argument list.
+  @param  ...             Variable argument list whose contents are accessed based on the 
+                          format string specified by FormatString.
   @return The number of Unicode characters in the produced output buffer not including the
           Null-terminator.
 
@@ -184,7 +185,8 @@ UnicodeVSPrintAsciiFormat (
                           Unicode string.
   @param  BufferSize      The size, in bytes, of the output buffer specified by StartOfBuffer.
   @param  FormatString    Null-terminated ASCII format string.
-  @param  ...             The variable argument list.
+  @param  ...             Variable argument list whose contents are accessed based on the 
+                          format string specified by FormatString.
   
   @return The number of Unicode characters in the produced output buffer not including the
           Null-terminator.
@@ -329,7 +331,8 @@ AsciiVSPrint (
                           ASCII string.
   @param  BufferSize      The size, in bytes, of the output buffer specified by StartOfBuffer.
   @param  FormatString    Null-terminated ASCII format string.
-  @param  ...             The variable argument list.
+  @param  ...             Variable argument list whose contents are accessed based on the 
+                          format string specified by FormatString.
   
   @return The number of ASCII characters in the produced output buffer not including the
           Null-terminator.
@@ -423,7 +426,8 @@ AsciiVSPrintUnicodeFormat (
                           ASCII string.
   @param  BufferSize      The size, in bytes, of the output buffer specified by StartOfBuffer.
   @param  FormatString    Null-terminated Unicode format string.
-  @param  ...             The variable argument list.
+  @param  ...             Variable argument list whose contents are accessed based on the 
+                          format string specified by FormatString.
   
   @return The number of ASCII characters in the produced output buffer not including the
           Null-terminator.
diff --git a/MdePkg/Library/UefiDebugLibConOut/DebugLib.c b/MdePkg/Library/UefiDebugLibConOut/DebugLib.c
index 16a8faa684..7f93509b2d 100644
--- a/MdePkg/Library/UefiDebugLibConOut/DebugLib.c
+++ b/MdePkg/Library/UefiDebugLibConOut/DebugLib.c
@@ -42,7 +42,8 @@
 
   @param  ErrorLevel  The error level of the debug message.
   @param  Format      Format string for the debug message to print.
-  @param  ...         The variable argument list.
+  @param  ...         Variable argument list whose contents are accessed 
+                      based on the format string specified by Format.
 
 **/
 VOID
diff --git a/MdePkg/Library/UefiDebugLibStdErr/DebugLib.c b/MdePkg/Library/UefiDebugLibStdErr/DebugLib.c
index 82fd78ab4f..608ed26929 100644
--- a/MdePkg/Library/UefiDebugLibStdErr/DebugLib.c
+++ b/MdePkg/Library/UefiDebugLibStdErr/DebugLib.c
@@ -41,7 +41,8 @@
 
   @param  ErrorLevel  The error level of the debug message.
   @param  Format      Format string for the debug message to print.
-  @param  ...         The variable argument list.
+  @param  ...         Variable argument list whose contents are accessed 
+                      based on the format string specified by Format.
 
 **/
 VOID
diff --git a/MdePkg/Library/UefiLib/UefiLibPrint.c b/MdePkg/Library/UefiLib/UefiLibPrint.c
index 312c22673e..630d1b3123 100644
--- a/MdePkg/Library/UefiLib/UefiLibPrint.c
+++ b/MdePkg/Library/UefiLib/UefiLibPrint.c
@@ -81,7 +81,8 @@ InternalPrint (
   If Format is not aligned on a 16-bit boundary, then ASSERT().
 
   @param Format   Null-terminated Unicode format string.
-  @param ...      VARARG list consumed to process Format.
+  @param ...      Variable argument list whose contents are accessed based 
+                  on the format string specified by Format.
   
   @return The number of Unicode characters in the produced
           output buffer not including the Null-terminator.
@@ -119,7 +120,8 @@ Print (
   If Format is not aligned on a 16-bit boundary, then ASSERT().
 
   @param Format   Null-terminated Unicode format string.
-  @param ...      VARARG list consumed to process Format.
+  @param ...      Variable argument list whose contents are accessed based 
+                  on the format string specified by Format.
 
   @return The number of Unicode characters in the produced
           output buffer not including the Null-terminator.
@@ -211,7 +213,8 @@ AsciiInternalPrint (
   If Format is NULL, then ASSERT().
 
   @param Format   Null-terminated ASCII format string.
-  @param ...      VARARG list consumed to process Format.
+  @param ...      Variable argument list whose contents are accessed based 
+                  on the format string specified by Format.
   
   @return The number of Ascii characters in the produced
           output buffer not including the Null-terminator.
@@ -249,7 +252,8 @@ AsciiPrint (
   If Format is NULL, then ASSERT().
 
   @param Format   Null-terminated ASCII format string.
-  @param ...      VARARG list consumed to process Format.
+  @param ...      Variable argument list whose contents are accessed based 
+                  on the format string specified by Format.
   
   @return The number of Ascii characters in the produced output
           buffer not including the Null-terminator.