[ros-diffs] [sir_richard] 45152

[Dmitry Gorbachev]

Hi,

sir_richard wrote:
> /* GLOBALS *******************************************************************/
>
> +/* Boot and double-fault/NMI/DPC stack */
> +UCHAR P0BootStackData[KERNEL_STACK_SIZE] __attribute__((aligned (16)));
> +UCHAR KiDoubleFaultStackData[KERNEL_STACK_SIZE] __attribute__((aligned (16)));

MinGW GCC 4.4.x can ignore in some situations attribute aligned on
uninitialized global variables because of a bug. A workaround is to
initialize a variable or to compile with -fno-common.

[Gabriel ilardi]

Hi Sir Richard,

After 45152 ros doesn't boot anymore, freeldr crashes with Exception 0D GENERAL PROTECTION FAULT, see: http://build.reactos.org:8010/builders/x86_%28Test%29/builds/1219/steps/test...

Thanks

Gabriel.
> Date: Wed, 20 Jan 2010 00:56:41 +0300
> From: [e-mail]
> To: [e-mail]
> Subject: [ros-dev] [ros-diffs] [sir_richard] 45152
>
> Hi,
>
> sir_richard wrote:
> > /* GLOBALS *******************************************************************/
> >
> > +/* Boot and double-fault/NMI/DPC stack */
> > +UCHAR P0BootStackData[KERNEL_STACK_SIZE] __attribute__((aligned (16)));
> > +UCHAR KiDoubleFaultStackData[KERNEL_STACK_SIZE] __attribute__((aligned (16)));
>
> MinGW GCC 4.4.x can ignore in some situations attribute aligned on
> uninitialized global variables because of a bug. A workaround is to
> initialize a variable or to compile with -fno-common.
>
> Ros-dev mailing list
> [e-mail]
> http://www.reactos.org/mailman/listinfo/ros-dev

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