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Diffstat (limited to 'sysdeps/powerpc/powerpc64/sysdep.h')
-rw-r--r--sysdeps/powerpc/powerpc64/sysdep.h16
1 files changed, 16 insertions, 0 deletions
diff --git a/sysdeps/powerpc/powerpc64/sysdep.h b/sysdeps/powerpc/powerpc64/sysdep.h
index ab9c3d73f4..1f4efe6648 100644
--- a/sysdeps/powerpc/powerpc64/sysdep.h
+++ b/sysdeps/powerpc/powerpc64/sysdep.h
@@ -283,7 +283,23 @@ LT_LABELSUFFIX(name,_name_end): ; \
TRACEBACK_MASK(name,mask) \
END_2(name)
+#if !IS_IN(rtld) && defined (ENABLE_LOCK_ELISION)
+# define ABORT_TRANSACTION \
+ cmpdi 13,0; \
+ beq 1f; \
+ lwz 0,TM_CAPABLE(13); \
+ cmpwi 0,0; \
+ beq 1f; \
+ li 0,_ABORT_SYSCALL; \
+ tabort. 0; \
+ .align 4; \
+1:
+#else
+# define ABORT_TRANSACTION
+#endif
+
#define DO_CALL(syscall) \
+ ABORT_TRANSACTION \
li 0,syscall; \
sc