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authorOlivier Hainque <hainque@adacore.com>2016-01-05 18:10:31 +0000
committerOlivier Hainque <hainque@gcc.gnu.org>2016-01-05 18:10:31 +0000
commita22189835a1f1f775263c8bc4d015d9a98b3a212 (patch)
tree94b150bbd4f014cb2b04c5492e00d5ca0c08e1ff /libgcc/config
parent0d19c66df4f247713d2ec8d91b431d5b3daf4501 (diff)
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aix-unwind.h (ucontext_for): Handle AIX 7.1 specificities.
2016-01-05 Olivier Hainque <hainque@adacore.com> * config/rs6000/aix-unwind.h (ucontext_for): Handle AIX 7.1 specificities. From-SVN: r232082
Diffstat (limited to 'libgcc/config')
-rw-r--r--libgcc/config/rs6000/aix-unwind.h11
1 files changed, 8 insertions, 3 deletions
diff --git a/libgcc/config/rs6000/aix-unwind.h b/libgcc/config/rs6000/aix-unwind.h
index 16a1a9e..4edeaf4 100644
--- a/libgcc/config/rs6000/aix-unwind.h
+++ b/libgcc/config/rs6000/aix-unwind.h
@@ -64,7 +64,7 @@
#endif
/* Now on to MD_FALLBACK_FRAME_STATE_FOR.
- 32bit AIX 5.2 and 5.3 only at this stage. */
+ 32bit AIX 5.2, 5.3 and 7.1 only at this stage. */
#include <stdlib.h>
#include <stddef.h>
@@ -128,8 +128,9 @@ ucontext_for (struct _Unwind_Context *context)
{
const unsigned int * ra = context->ra;
- /* AIX 5.2 and 5.3, threaded or not, share common patterns and feature
- variants depending on the configured kernel (unix_mp or unix_64). */
+ /* AIX 5.2, 5.3 and 7.1, threaded or not, share common patterns
+ and feature variants depending on the configured kernel (unix_mp
+ or unix_64). */
if (*(ra - 5) == 0x4c00012c /* isync */
&& *(ra - 4) == 0x80ec0000 /* lwz r7,0(r12) */
@@ -150,6 +151,10 @@ ucontext_for (struct _Unwind_Context *context)
/* AIX 5.3 */
case 0x835a0570: /* lwz r26,1392(r26) */
return (ucontext_t *)(context->cfa + 0x40);
+
+ /* AIX 7.1 */
+ case 0x2c1a0000: /* cmpwi r26,0 */
+ return (ucontext_t *)(context->cfa + 0x40);
default:
return 0;