On Fri, Dec 08, 2017 at 12:52:56AM +0000, Gao, Liming wrote:
> Reviewed-by: Liming Gao <[email protected]>

Thanks. Pushed as 978779d7b5.

> > -----Original Message-----
> > From: edk2-devel [mailto:[email protected]] On Behalf Of Leif 
> > Lindholm
> > Sent: Friday, December 8, 2017 1:38 AM
> > To: [email protected]
> > Cc: Gao, Liming <[email protected]>
> > Subject: [edk2] [PATCH v2] BaseTools: align ERROR/WARNING/RETURN macros 
> > with MdePkg versions
> > 
> > BaseTools' BaseTypes.h defined the ENCODE_ERROR macro as
> >  #define ENCODE_ERROR(a)              ((RETURN_STATUS)(MAX_BIT | (a)))
> > whereas MdePkg defines it as
> >  #define ENCODE_ERROR(StatusCode)     ((RETURN_STATUS)(MAX_BIT | 
> > (StatusCode)))
> > 
> > When building with GCC 6.3 (at least) the former triggers
> > "error: overflow in implicit constant conversion [-Werror=overflow]"
> > Resolve this by aligning it with the latter one.
> > 
> > This also requires aligning the BaseTools typedef of RETURN_STATUS with
> > the MdePkg one: INTN -> UINTN.
> > 
> > While at it, update adjacent ENCODE_WARNING and RETURN_ERROR as well.
> > 
> > Add an explicit initialization of *Alignment to 0 in GenFfs.c
> > GetAlignmentFromFile to get rid of a warning occuring with GCC after
> > this change (-Werror=maybe-uninitialized).
> > 
> > Contributed-under: TianoCore Contribution Agreement 1.1
> > Signed-off-by: Leif Lindholm <[email protected]>
> > ---
> > 
> > v2 updated for ENCODE_WARNING and RETURN_ERROR, as requested
> > by Liming.
> > 
> >  BaseTools/Source/C/GenFfs/GenFfs.c            | 1 +
> >  BaseTools/Source/C/Include/Common/BaseTypes.h | 8 ++++----
> >  2 files changed, 5 insertions(+), 4 deletions(-)
> > 
> > diff --git a/BaseTools/Source/C/GenFfs/GenFfs.c 
> > b/BaseTools/Source/C/GenFfs/GenFfs.c
> > index e2fb3e0d1e..3b4a9b7761 100644
> > --- a/BaseTools/Source/C/GenFfs/GenFfs.c
> > +++ b/BaseTools/Source/C/GenFfs/GenFfs.c
> > @@ -529,6 +529,7 @@ GetAlignmentFromFile(char *InFile, UINT32 *Alignment)
> > 
> >    InFileHandle        = NULL;
> >    PeFileBuffer        = NULL;
> > +  *Alignment          = 0;
> > 
> >    memset (&ImageContext, 0, sizeof (ImageContext));
> > 
> > diff --git a/BaseTools/Source/C/Include/Common/BaseTypes.h 
> > b/BaseTools/Source/C/Include/Common/BaseTypes.h
> > index 198647ab95..08b60bae11 100644
> > --- a/BaseTools/Source/C/Include/Common/BaseTypes.h
> > +++ b/BaseTools/Source/C/Include/Common/BaseTypes.h
> > @@ -170,15 +170,15 @@
> >  // EFI Error Codes common to all execution phases
> >  //
> > 
> > -typedef INTN RETURN_STATUS;
> > +typedef UINTN RETURN_STATUS;
> > 
> >  ///
> >  /// Set the upper bit to indicate EFI Error.
> >  ///
> > -#define ENCODE_ERROR(a)              (MAX_BIT | (a))
> > +#define ENCODE_ERROR(a)              ((RETURN_STATUS)(MAX_BIT | (a)))
> > 
> > -#define ENCODE_WARNING(a)            (a)
> > -#define RETURN_ERROR(a)              ((a) < 0)
> > +#define ENCODE_WARNING(a)            ((RETURN_STATUS)(a))
> > +#define RETURN_ERROR(a)              (((INTN)(RETURN_STATUS)(a)) < 0)
> > 
> >  #define RETURN_SUCCESS               0
> >  #define RETURN_LOAD_ERROR            ENCODE_ERROR (1)
> > --
> > 2.11.0
> > 
> > _______________________________________________
> > edk2-devel mailing list
> > [email protected]
> > https://lists.01.org/mailman/listinfo/edk2-devel
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