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* [PATCH] PR gdb/16305: Mask out PREFIX_ADDR when adding prefix to opcode
@ 2013-12-08 20:14 H.J. Lu
  2013-12-14 23:15 ` H.J. Lu
  0 siblings, 1 reply; 2+ messages in thread
From: H.J. Lu @ 2013-12-08 20:14 UTC (permalink / raw)
  To: GDB

PREFIX_ADDR isn't a prefix to opcode.  This patch masks out PREFIX_ADDR
when adding prefix to opcode. Tested on Linux/x86-64.  OK to install?

Thanks.

H.J.
---
2013-12-08  H.J. Lu  <hongjiu.lu@intel.com>

	PR gdb/16305
	* i386-tdep.c (i386_process_record): Mask out PREFIX_ADDR when
	adding prefix to opcode.
---
 gdb/i386-tdep.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/gdb/i386-tdep.c b/gdb/i386-tdep.c
index 371d5f0..6635a25 100644
--- a/gdb/i386-tdep.c
+++ b/gdb/i386-tdep.c
@@ -7031,7 +7031,8 @@ no_support_3dnow_data:
     case 0x0ffc:
     case 0x0ffd:
     case 0x0ffe:
-      switch (prefixes)
+      /* Mask out PREFIX_ADDR.  */
+      switch ((prefixes & ~PREFIX_ADDR))
         {
         case PREFIX_REPNZ:
           opcode |= 0xf20000;
-- 
1.8.3.1

^ permalink raw reply	[flat|nested] 2+ messages in thread

* Re: [PATCH] PR gdb/16305: Mask out PREFIX_ADDR when adding prefix to opcode
  2013-12-08 20:14 [PATCH] PR gdb/16305: Mask out PREFIX_ADDR when adding prefix to opcode H.J. Lu
@ 2013-12-14 23:15 ` H.J. Lu
  0 siblings, 0 replies; 2+ messages in thread
From: H.J. Lu @ 2013-12-14 23:15 UTC (permalink / raw)
  To: Mark Kettenis; +Cc: GDB

On Sun, Dec 08, 2013 at 12:14:30PM -0800, H.J. Lu wrote:
> PREFIX_ADDR isn't a prefix to opcode.  This patch masks out PREFIX_ADDR
> when adding prefix to opcode. Tested on Linux/x86-64.  OK to install?
> 
> Thanks.
> 
> H.J.
> ---
> 2013-12-08  H.J. Lu  <hongjiu.lu@intel.com>
> 
> 	PR gdb/16305
> 	* i386-tdep.c (i386_process_record): Mask out PREFIX_ADDR when
> 	adding prefix to opcode.
> ---
>  gdb/i386-tdep.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/gdb/i386-tdep.c b/gdb/i386-tdep.c
> index 371d5f0..6635a25 100644
> --- a/gdb/i386-tdep.c
> +++ b/gdb/i386-tdep.c
> @@ -7031,7 +7031,8 @@ no_support_3dnow_data:
>      case 0x0ffc:
>      case 0x0ffd:
>      case 0x0ffe:
> -      switch (prefixes)
> +      /* Mask out PREFIX_ADDR.  */
> +      switch ((prefixes & ~PREFIX_ADDR))
>          {
>          case PREFIX_REPNZ:
>            opcode |= 0xf20000;
> -- 
> 1.8.3.1
> 

Hi Mark,

Do you get time to review this one-line change?

Thanks.

H.J.

^ permalink raw reply	[flat|nested] 2+ messages in thread

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2013-12-08 20:14 [PATCH] PR gdb/16305: Mask out PREFIX_ADDR when adding prefix to opcode H.J. Lu
2013-12-14 23:15 ` H.J. Lu

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