Corrected patch for _exit.c

J. Johnston jjohnstn@redhat.com
Fri Jan 31 21:08:00 GMT 2003


Patch checked in.

-- Jeff J.

Michael Snyder wrote:
> Sorry, the patch I sent earlier was buggy: here's a fixed one.
> 
> 
> ------------------------------------------------------------------------
> 
> 2003-01-29  Michael Snyder  <msnyder@redhat.com>
> 
> 	* libc/sys/h8300hms/_exit.c (_exit, __exit):  Slip a magic cookie
> 	into registers r1 and r2, so that the simulator can distinguish
> 	this trap from a breakpoint trap.  Copied from libgloss.
> 
> Index: _exit.c
> ===================================================================
> RCS file: /cvs/cvsfiles/devo/newlib/libc/sys/h8300hms/_exit.c,v
> retrieving revision 1.3
> diff -p -r1.3 _exit.c
> *** _exit.c	1996/03/11 19:29:04	1.3
> --- _exit.c	2003/01/30 01:29:51
> *************** void
> *** 10,16 ****
>   _DEFUN (_exit,(rc),
>        int rc)
>   {
> !   short rc2 = rc << 8;
>     asm("mov.w %0,r0\n\tsleep" : : "r" (rc2) : "r0");
>   }
>   
> --- 10,22 ----
>   _DEFUN (_exit,(rc),
>        int rc)
>   {
> !   short rc2;
> ! 
> !   rc2 = 0xdead;
> !   asm("mov.w %0,r1" : : "r" (rc2) : "r1");
> !   rc2 = 0xbeef;
> !   asm("mov.w %0,r2" : : "r" (rc2) : "r2");
> !   rc2 = rc << 8;
>     asm("mov.w %0,r0\n\tsleep" : : "r" (rc2) : "r0");
>   }
>   
> *************** void
> *** 18,23 ****
>   _DEFUN (__exit,(rc),
>        int rc)
>   {
> !   short rc2 = rc << 8;
>     asm("mov.w %0,r0\n\tsleep" : : "r" (rc2) : "r0");
>   }
> --- 24,35 ----
>   _DEFUN (__exit,(rc),
>        int rc)
>   {
> !   short rc2;
> ! 
> !   rc2 = 0xdead;
> !   asm("mov.w %0,r1" : : "r" (rc2) : "r1");
> !   rc2 = 0xbeef;
> !   asm("mov.w %0,r2" : : "r" (rc2) : "r2");
> !   rc2 = rc << 8;
>     asm("mov.w %0,r0\n\tsleep" : : "r" (rc2) : "r0");
>   }




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