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authorJoseph Myers <joseph@codesourcery.com>2012-07-01 13:08:59 +0000
committerJoseph Myers <joseph@codesourcery.com>2012-07-01 13:08:59 +0000
commite84eabb3871c9b39e59323bf3f6b98c2ca9d1cd0 (patch)
treedff3f1b79454b518d15a7b9bbedeb57ff156bbe8 /ports/sysdeps/tile/stackguard-macros.h
parent75f0d3040a2c2de8842bfa7a09e11da1a73e17d0 (diff)
parente64ac02c24b43659048622714afdc92fedf561fa (diff)
Merge glibc-ports into ports/ directory.glibc-2.16-ports-merge
Diffstat (limited to 'ports/sysdeps/tile/stackguard-macros.h')
-rw-r--r--ports/sysdeps/tile/stackguard-macros.h14
1 files changed, 14 insertions, 0 deletions
diff --git a/ports/sysdeps/tile/stackguard-macros.h b/ports/sysdeps/tile/stackguard-macros.h
new file mode 100644
index 0000000000..589ea2b0d8
--- /dev/null
+++ b/ports/sysdeps/tile/stackguard-macros.h
@@ -0,0 +1,14 @@
+#include <bits/wordsize.h>
+
+#ifdef __tilegx__
+# if __WORDSIZE == 64
+# define STACK_CHK_GUARD \
+ ({ uintptr_t x; asm ("addi %0, tp, -16; ld %0, %0" : "=r" (x)); x; })
+# else
+# define STACK_CHK_GUARD \
+ ({ uintptr_t x; asm ("addi %0, tp, -8; ld4s %0, %0" : "=r" (x)); x; })
+# endif
+#else
+# define STACK_CHK_GUARD \
+ ({ uintptr_t x; asm ("addi %0, tp, -8; lw %0, %0" : "=r" (x)); x; })
+#endif