RE: [Xen-devel] Gentoo/glibc-2.3.5 tls patch: Need HELP

["Ian Pratt" <m+Ian.Pratt@xxxxxxxxxxxx>]

It looks like your glibc has already been patched. Just compile having
defined
NO_TLS_DIRECT_SEG_REFS

Ian

 

> -----Original Message-----
> From: xen-devel-bounces@xxxxxxxxxxxxxxxxxxx 
> [mailto:xen-devel-bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of B.G. Bruce
> Sent: 27 July 2005 23:21
> To: xen-devel
> Subject: [Xen-devel] Gentoo/glibc-2.3.5 tls patch: Need HELP
> 
> I'm trying to patch gentoo/glibc-2.3.5 with the tls patch 
> from the wiki.
> 
> 
> What I have so far (for sysdeps/unix/sysv/linux/i386/sysdeps.h):
> 0:SETUP_PIC_REG (dx);                                         
>          \
>   addl $_GLOBAL_OFFSET_TABLE_, %edx;                          
>          \
>   movl %gs:0, %ecx;                                           
>          \
>   addl SYSCALL_ERROR_ERRNO@GOTNTPOFF(%edx), %ecx;             
>          \
>   xorl %edx, %edx;                                            
>          \
>   subl %eax, %edx;                                            
>          \
> 
> --------------------------------------------------------------
> -------------
> 
> It's the last lines of the original patch  that I don't know 
> how to apply:
> -  movl %edx, %gs:0(%ecx);                                    
>          \
> +  movl %edx, (%ecx);                                         
>          \
> 
> They belong somewhere in the following snippet:
> 
>   SYSCALL_ERROR_HANDLER_TLS_STORE (%edx, %ecx);               
>          \
>   orl $-1, %eax;                                              
>          \
>   jmp L(pseudo_end);
> #   ifndef NO_TLS_DIRECT_SEG_REFS
> #    define SYSCALL_ERROR_HANDLER_TLS_STORE(src, destoff)     
>          \
>   movl src, %gs:(destoff)
> #   else
> #    define SYSCALL_ERROR_HANDLER_TLS_STORE(src, destoff)     
>          \
>   addl %gs:0, destoff;                                        
>          \
>   movl src, (destoff)
> #   endif
> 
> Any help is greatly appreciated.
> 
> Brian.
> 
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> 

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