Attachment 588574 Details for Bug 827600 – disable ptrace BookE interface for PowerPC server processors

disable ptrace BookE interface for PowerPC server processors

bz82151-disable-ptrace-booke-interface-for-powerpc-server-processors.patch (text/plain), 1.35 KB, created by IBM Bug Proxy on 2012-06-01 20:20:55 UTC

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Creator: IBM Bug Proxy

Created: 2012-06-01 20:20:55 UTC

Size: 1.35 KB

patch

obsolete

>--- gdb-7.4.50.20120120.orig/gdb/ppc-linux-nat.c	2012-06-01 17:17:22.670000001 -0400
>+++ gdb-7.4.50.20120120/gdb/ppc-linux-nat.c	2012-06-01 17:14:05.940000001 -0400
>@@ -1420,17 +1420,20 @@ have_ptrace_booke_interface (void)
>       /* Check for kernel support for BOOKE debug registers.  */
>       if (ptrace (PPC_PTRACE_GETHWDBGINFO, tid, 0, &booke_debug_info) >= 0)
> 	{
>-	  have_ptrace_booke_interface = 1;
>-	  max_slots_number = booke_debug_info.num_instruction_bps
>-	    + booke_debug_info.num_data_bps
>-	    + booke_debug_info.num_condition_regs;
>-	}
>-      else
>-	{
>-	  /* Old school interface and no BOOKE debug registers support.  */
>-	  have_ptrace_booke_interface = 0;
>-	  memset (&booke_debug_info, 0, sizeof (struct ppc_debug_info));
>+	  /* Check whether ptrace BOOKE interface is functional and
>+	     provides any supported feature.  */
>+	  if (booke_debug_info.features != 0)
>+	    {
>+	      have_ptrace_booke_interface = 1;
>+	      max_slots_number = booke_debug_info.num_instruction_bps
>+	        + booke_debug_info.num_data_bps
>+	        + booke_debug_info.num_condition_regs;
>+	      return have_ptrace_booke_interface;
>+	    }
> 	}
>+      /* Old school interface and no BOOKE debug registers support.  */
>+      have_ptrace_booke_interface = 0;
>+      memset (&booke_debug_info, 0, sizeof (struct ppc_debug_info));
>     }
> 
>   return have_ptrace_booke_interface;

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Attachments on bug 827600: 588574