* [Qemu-devel] [4485] Fix TCG alignment problems on Sparc64 host
@ 2008-05-18 7:49 Blue Swirl
2008-05-18 18:18 ` Fabrice Bellard
0 siblings, 1 reply; 2+ messages in thread
From: Blue Swirl @ 2008-05-18 7:49 UTC (permalink / raw)
To: qemu-devel
Revision: 4485
http://svn.sv.gnu.org/viewvc/?view=rev&root=qemu&revision=4485
Author: blueswir1
Date: 2008-05-18 07:49:05 +0000 (Sun, 18 May 2008)
Log Message:
-----------
Fix TCG alignment problems on Sparc64 host
Modified Paths:
--------------
trunk/tcg/tcg.h
Modified: trunk/tcg/tcg.h
===================================================================
--- trunk/tcg/tcg.h 2008-05-18 06:40:16 UTC (rev 4484)
+++ trunk/tcg/tcg.h 2008-05-18 07:49:05 UTC (rev 4485)
@@ -71,7 +71,7 @@
} TCGRelocation;
typedef struct TCGLabel {
- int has_value;
+ long has_value; // long instead of int to enforce alignment
union {
tcg_target_ulong value;
TCGRelocation *first_reloc;
@@ -80,7 +80,7 @@
typedef struct TCGPool {
struct TCGPool *next;
- int size;
+ long size; // long instead of int to enforce alignment
uint8_t data[0];
} TCGPool;
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: [Qemu-devel] [4485] Fix TCG alignment problems on Sparc64 host
2008-05-18 7:49 [Qemu-devel] [4485] Fix TCG alignment problems on Sparc64 host Blue Swirl
@ 2008-05-18 18:18 ` Fabrice Bellard
0 siblings, 0 replies; 2+ messages in thread
From: Fabrice Bellard @ 2008-05-18 18:18 UTC (permalink / raw)
To: blauwirbel; +Cc: qemu-devel
I don't understand why TCGLabel needs further alignment. For TCGPool,
the correct fix is either to use the gcc alignment attributes or to
change the type of data to long.
Regards,
Fabrice.
Blue Swirl wrote:
> Revision: 4485
> http://svn.sv.gnu.org/viewvc/?view=rev&root=qemu&revision=4485
> Author: blueswir1
> Date: 2008-05-18 07:49:05 +0000 (Sun, 18 May 2008)
>
> Log Message:
> -----------
> Fix TCG alignment problems on Sparc64 host
>
> Modified Paths:
> --------------
> trunk/tcg/tcg.h
>
> Modified: trunk/tcg/tcg.h
> ===================================================================
> --- trunk/tcg/tcg.h 2008-05-18 06:40:16 UTC (rev 4484)
> +++ trunk/tcg/tcg.h 2008-05-18 07:49:05 UTC (rev 4485)
> @@ -71,7 +71,7 @@
> } TCGRelocation;
>
> typedef struct TCGLabel {
> - int has_value;
> + long has_value; // long instead of int to enforce alignment
> union {
> tcg_target_ulong value;
> TCGRelocation *first_reloc;
> @@ -80,7 +80,7 @@
>
> typedef struct TCGPool {
> struct TCGPool *next;
> - int size;
> + long size; // long instead of int to enforce alignment
> uint8_t data[0];
> } TCGPool;
>
>
>
>
>
>
^ permalink raw reply [flat|nested] 2+ messages in thread
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2008-05-18 7:49 [Qemu-devel] [4485] Fix TCG alignment problems on Sparc64 host Blue Swirl
2008-05-18 18:18 ` Fabrice Bellard
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