[U-Boot] [PATCH 1/1] efi_loader: duplicate IMAGE_SUBSYSTEM_EFI_APPLICATION

AKASHI Takahiro takahiro.akashi at linaro.org
Fri Jul 12 06:22:23 UTC 2019


On Fri, Jul 12, 2019 at 08:04:59AM +0200, Heinrich Schuchardt wrote:
> On 7/12/19 2:59 AM, AKASHI Takahiro wrote:
> >Heinrich,
> >
> >I wonder why we need "asm-generic/pe.h".
> 
> The assembler cannot understand includes that contain C specific syntax.
> So we cannot include "pe.h". This is why "asm-generic/pe.h" has been
> split off.

If so, why not use "#if(n)def __ASSEMBLY__"?
It is a common usage in lots of headers.

-Takahiro Akashi

> >If IMAGE_SUBSYSTEM_EFI_APPLICATION can be arch-specific,
> >why not move other definitions, like * relocation types, too?
> 
> We need those symbols in include/asm-generic/pe.h that are used by
> assembler code. IMAGE_SUBSYSTEM_EFI_APPLICATION is not arch-specific but
> it is used in arch/arm/lib/crt0_arm_efi.S and others.
> 
> Best regards
> 
> Heinrich
> 
> >
> >-Takahiro Akashi
> >
> >On Thu, Jul 11, 2019 at 06:28:24PM +0200, Heinrich Schuchardt wrote:
> >>IMAGE_SUBSYSTEM_EFI_APPLICATION is already defined in
> >>include/asm-generic/pe.h which is included in include/pe.h. We should
> >>not define it twice.
> >>
> >>Signed-off-by: Heinrich Schuchardt <xypron.glpk at gmx.de>
> >>---
> >>  include/pe.h | 1 -
> >>  1 file changed, 1 deletion(-)
> >>
> >>diff --git a/include/pe.h b/include/pe.h
> >>index 36e1908b7e..c7aeb2dcb6 100644
> >>--- a/include/pe.h
> >>+++ b/include/pe.h
> >>@@ -48,7 +48,6 @@ typedef struct _IMAGE_DOS_HEADER {
> >>
> >>  #define IMAGE_NT_OPTIONAL_HDR32_MAGIC	0x10b
> >>  #define IMAGE_NT_OPTIONAL_HDR64_MAGIC	0x20b
> >>-#define IMAGE_SUBSYSTEM_EFI_APPLICATION	10
> >>
> >>  typedef struct _IMAGE_FILE_HEADER {
> >>  	uint16_t Machine;
> >>--
> >>2.20.1
> >>
> >
> 


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