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authorJoseph Myers <joseph@codesourcery.com>2012-07-01 13:06:41 +0000
committerJoseph Myers <joseph@codesourcery.com>2012-07-01 13:06:41 +0000
commite64ac02c24b43659048622714afdc92fedf561fa (patch)
tree37162878b72d302de351788bec4c9360c9d55f1d /ports/sysdeps/tile/stackguard-macros.h
parenta20c2b3c87aebc7d4b090c622d36480263b80042 (diff)
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Move all files into ports/ subdirectory in preparation for merge with glibc glibc-2.16-ports-before-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